Publications by BGC scientists

Below is a comprehensive list of publications by BGC scientists. Included are publications by current BGC Faculty arising from prior affiliations elsewhere. If you would like to order reprints email . For reprints, please indicate the full citation (including author). You can also contact us at (510) 644-9200/ 2455 Ridge Road, Berkeley, CA 94709.

2014

Sagnotti, L., Scardia, G., Giaccio, B., Liddicoat, J.C., Nomade, S., Renne, P.R., Sprain, C.J., 2014. Extremely rapid directional change during Matuyama-Brunhes geomagnetic polarity reversal. Geophysical Journal International, 199:1110-1124.

Mulcahy, S.R., Roeske, S.M., McClelland, W.C., Ellis, J.R., Jourdan, F., Renne, P.R., Vervoort, J.D., Vujovich, G.I., 2014. Multiple migmatite events and cooling from granulite facies metamorphism withn the Famatina arc margin of northwest Argentina. Tectonics, 33:1-21.

Tremblay, M.M., Shuster, D.L., Balco, G., 2014. Cosmogenic noble gas paleothermometry. Earth & Planetary Science Letters, 400:195-205.

Balco, G., 2014. Simple computer code for estimating cosmic-ray shielding by oddly shaped objects. Quaternary Geochronology, 22:175-182.

Johnson, J. S., Bentley, M. J., Smith, J. A., Finkel, R. C,; Rood, D. H., Gohl, K., Balco, G., Larter, R.D., Schaefer, J.M., 2014. Rapid Thinning of Pine Island Glacier in the Early Holocene. Science, 343:999-1001.

Dethier, D. O., Oyimet, W. Bierman, P.R., Rood, D.H., Balco, G., 2014. Basins and bedrock: Spatial variation in Be-10 erosion rates and increasing relief in the southern Rocky Mountains, USA. Geology, 42: 167-170.

Jost, A.B., Mundil, R., He, B., Brown, S.T., Altiner, D., Sun, Y.D., DePaolo, D.J.,Payne, J.L.,2014. Constraining the cause of the end-Guadalupian extinction with coupled records of carbon and calcium isotopes. Earth & Planetary Science Letters, 396:201-212.

Simon, J.I., Weis, D., DePaolo, D.J., Renne, P.R., Mundil, R., Schmitt, A.K., 2014. Assimilation of preexisting Pleistocene intrusions at Long Valley by periodic magma recharge accelerates rhyolite generation: rethinking the remelting model. Contributions to Mineraology & Petrology, 167:955

Mulcahy, S.R., Vervoort, J.D., Renne, P.R., 2014. Dating subduction-zone metamorphism with combined garnet and lawsonite Lu-Hf geochronology. Journal of Metamorphic Geology, 32:515-533.

Renne, P.R., 2014. Some footnotes to the optimization-based calibration of the Ar-40/Ar-39 system. Geological Society Special Publication, 378:21-31.

Jourdan, F., Renne, P.R., 2014. Neutron-induced Ar-37 recoil ejection in Ca-rich minerals and implications for Ar-40/Ar-39 dating. Geological Society Special Publication, 378:33-52.

Mulcahy, S.R., Roeske, S.M., McClelland, W.C., Ellis, J.R., Jourdan, F., Renne, P.R., Vervoort, J.D., Vujovich, G.I., 2014. Multiple migmatite events and cooling from granulite facies metamorphism within the Famatina arc margin of northwest Argentina. Tectonics, 33:1-25.

Oster, J.L., Montanez, .I., Mertz-Kraus, R., Sharp, W.D., Stock, G.M., Spero, H.J., Tinsley, J., Zachos, J.C.,2014. Millennial-scale variations in western Sierra Nevada precipitation during the last glacial cycle MIS 4/3 transition. Quaternay Research, 82:236-248.

Arsuaga, J.L., Martinez, I., Arnold, LJ., Aranburu, A., Gracia-Tellez, A., Sharp, W.D., Quam, R.M., Falgueres, C., Pantoja-Perez, A., Bischoff, J., Poza-Rey, E., Pares,J.M., Carretero, J.M.,Demuro, M., Lorenzo, C., Sala, N., Martinon-Torres, M., Garcia, N., de Velasco, A.A., Cuenca-Bescos, G., Gomez-Olivencia, A., Moreno, D., Pablos, A., Shen, C.C., Rodriguez, L., Ortega, A.I., Garcia, R., Bonmati, A., Bermudez de Castro, J. M., Carbonell, E.,2014. Neandertal roots: Cranial and chronological evidence from Sima de los Huesos. Science, 344:1358-1363.

Fox, M., Shuster, D.L., 2014. The influence of burial heating on the (U-Th)/He system in apatite: Grand Canyon case study. Earth & Planetary Science Letters, 397:174-183.

Karlstrom, K.E., Lee, J.P., Kelley, S.A., Crow, R.S., Crossey, L.J., Young, R.A., Lazear, G., Beard, L.S., Ricketts, J., Fox, M., Shuster, D.L., 2014. Formation of the Grand Canyon 5 to 6 million years ago through integration of older palaeocanyons. Nature Geoscience, 7:239-244.

2013

Balco, G., Schaefer, J.M., LARISSA group, 2013. Exposure-age record of Holocene ice sheet and ice shelf change in the northeast Antartic Peninsula. Quaternary Science Reviews, 59: 101-111.

Barry, T.L., Kelley, S.P., Reidel, S.P., et al, Renne, P.R., 2013. Eruption chronology of the Columbia River Basalt Group. Geological Society of America Special Papers, 497:45-66.

Cassata, W.S., Renne, P.R., 2013. Systematic variations of argon diffusion in feldspars and implications for thermochronometry. Geochimica et Cosmochimica Acta, 112: 251-287.

Fernandes, V.A., Fritz, J., Weiss, B.P., Garrick-Bethell, I., Shuster, D.L., 2013. The bombardment history of the Moon as recorded by 40Ar/39Ar chronology. Meteorictical Society, doi: 10.1111/maps.12054.

Finnegan, N.J., Balco, G., 2013. Sediment supply, base level, braiding, and bedrock river terrace formation: Arroyo Seco, California, USA. GSA Bulletin, doi: 10.1130/B30727.1.

Jungers, M.C., Heimsath, A.M., Amundson, R., Balco, G., Shuster, D.L., Chong, G., 2013. Active erosion-deposition cycles in the hyperarid Atacama Desert of Northern Chile. Earth & Planetary Science Letters, 371-372: 125-133.

Min, K., Reiners, P.W., Shuster, D.L., 2013. (U-Th)/ He ages of phosphates from St. Severin LL6 chondrite. Geochimica et Cosmochimica Acta, 100: 282-296.

Renne, P.R., Deino, A.L., Hilge, F.J., Kuiper, K.F., et al, Mundil, R., 2013. Time Scales of Critical Events Around the Cretaceous-Paleogene Boundary. Science, 339: 684-687.

Renne, P.R., 2013. Some footnotes to the optimization-based calibration of the 40Ar/39Ar system. Geological Society of London, doi:10.1144/SP378.17.

Suavet, C., Weiss, B.P., Cassata, W.S., Shuster, D.L., etal, 2013. Persistence and origin of the lunar core dynamo. PNAS, doi:10.1073/pnas.1300341110.

WoldeGabriel, G., Endale, T., White, T.D., Thouveny, N., Hart, W.K., Renne, P.R., Asfaw, B., 2013. The role of tephra studies in African paleoanthropology as exemplified by the Sidi Hakoma Tuff. Journal of African Earth Sciences, 77: 47-58.

2012

Cassata, W. S. Shuster, D.L., Renne, P.R., Weiss, B.P., 2012. Trapped Ar isotopes in meteorite ALH 84001 indicate Mars did not have a thick ancient atmosphere. Icarus, 221: 461-465.

Deino, A.L., 2012. 40Ar/39Ar dating of Bed I, Olduvai Gorge, Tanzania, and the chronology of early Pleistocene climate change. Journal of Human Evolution, 63: 251-273.

Fu, R.R., Weiss, B.P., Shuster, D.L., Gattacceca, J., etal, 2012. An Acient Core Dynamo in Asteriod Vesta. Science, 338: 238-241.

Gourbet, L., Shuster, D.L., Balco, G., Cassata, W.S., Renne, P.R., Rood, D., 2012. Neon diffusion kinetics in olivine, pyroxene and feldspar: Retentivity of cosmogenic and nucleogenic neon. Geochemica et Cosmochimica Acta, 86: 21-36.

Morgan, L.E., Renne, P.R., Kieffer, G. Piperno, M., Gallotti, Rosalia, Raynal, JP., 2012.A chronological framework for a long and persistent archaeological record: Melka Kunture, Ethiopia. Journal of Human Evolution, 62:104-115.

Renne, P.R., Goodwin, M.B., 2012. Direct U-Pb dating of Cretaceous and Paleocene dinosaur bones, San Juan Basin, New Mexico: COMMENT. Geology Forum, doi: 10.1130/G32521C.1.

Renne, P.R., Mulcahy, S.R., Cassata, W.S., Morgan. L.E., etal., 2012.Retention of inherited Ar by alkali feldspar xenocrysts in a magma: Kinetic constraints from Ba zoning profiles. Geochimica et Cosmochimica Acta, 93:129-142.

Shellnutt, J.G., Denyszyn, S.W., Mundil, R., 2012. Precise age determination of mafic and felsic intrusive rocks from the Permian Emeishan large igneous province (SW China). Gondwana Research, 22: 118-126.

Shuster, D.L., Farley, K. A., Vasconcelos, P.M., Balco, G. et al, 2012. Comsogenic 3He in hematite and goethite from Brazilian "canga" duricrust demonstrates the extreme stability of these surfaces. Earth & Planetary Schience Letters, 329-330: 41-50.

Tollo, R.P., Aleinikoff, Mundil, R. Southworth, C. S., et al., 2012. Igneous activity, metamorphism, and deformation in the Mount Rogers area of SW Virginia and NW North Carolina: A geologic record of Precambrian tectonic evolution of the southern Blue Ridge Province. GSA Field Guide, DOI: 10.1130-2012.0029(01).

2011

Balco, G., Purvance, M.D., Rood, D.H., 2011. Exposure dating of precariously balanced rocks. Quaternary Geochronology, 6:205-303.

Balco, G., 2011. Contributions and unrealized potential contributions of cosmogenic-nuclide exposure dating to glacier chronology, 1990-2010. Quaternary Science Reviews, 30: 3-27.

Carporzen, L. Weiss, B.P., Elkins-Tanton, L.T., Shuster, D.L., Ebel, D., Gattacceca, J., 2011. Magnetic evidence for a partially differentiated carbonaceous chondrite parent body. PNAS, 108: 6386-6389.

Cassata, W.S. Renne, P.R., Shuster, D.L., 2011. Argon diffusion in pyroxenes: Implications for thermochronometry and mantle degassing. Earth & Planetary Science Letters, 304: 407-416.

Denyszyn, S.W., Mundil, R., Brownlee, S.J., Renne, P.R., 2011. High-precision U–Pb geochronology of the Butedale pluton, British Columbia. Canada Journal of Earth Science, 48: 557-565.

Farley, K.A., Shuster, D.L., Ketcham, R.A., 2011. U and Th zonation in apatite observed by laser ablation ICPMS, and implications for the (U–Th)/He system. Geochimica et Cosmochimica Acta, 75: 4515-4530.

Fletcher, K.E.K., Rockwell, T.K., Sharp, W.D., 2011. Late Quaternary slip rate of the southern Elsinore fault, Southern California: Dating offset alluvial fans via 230Th/U on pedogenic carbonate. Journal of Geophysical Rsearch, 116: DOI: 10.1029/2010JF001701.

Gold, R.D., Cowgill, E., Arrowsmith, J.R., Chen, X., Sharp, W.D., Cooper, K.M., Wang, XF., 2011. Faulted terrace risers place new constraints on the late Quarternary slip rate for the central Altyn Tagh fault, Northwest Tibet. GSA Bulletin, 123: 958-978.

Huber, C., Cassata, W.S., Renne, P.R., 2011. A lattice Boltzmann model for noble gas diffusion in solids: The importance of domain shape and diffusive anisotropy and implications for thermochronometry. Geochimica et Cosmochimica Acta, 75: 2170-2186.

Holden, N.E., Bonardi, M.L., De Bievre, P., Renne, P.R., Villa, I.M., 2011. IUPAC-IUGS common definition and convention on the use of the year as a derived unit of time (IUPAC Recommendations 2011)*,**. Pure Appl. Chem, 83: 1159-1162.

Irmis, R.B., Mundil, R., Martz, J.W., Parker, W.G., 2011. High-resolution U–Pb ages from the Upper Triassic Chinle Formation (New Mexico, USA) support a diachronous rise of dinosaurs. Earth & Planetary Science Letters, 309: 258-267.

Martinez, R.N., Sereno, P.C., Alcober, O.A., Colombi, C.E., Renne, P.R., Montanez, I.P., Currie, B.S., 2011. A Basal Dinosaur from the Dawn of the Dinosaur Era in Southwestern Pangaea. Science, 331:206-210.

Mulcahy, S.R., Roeske, S.M., McClelland, W.C., Jourdan, F., Renne, P.R., et al, 2011. Structural evolution of a composite middle to lower crustal section: The Sierra de Pie de Palo, northwest Argentina. Tectonics, DOI: 10.1029-2009TC002656.

Putkonen, J., Morgan, D.J., Balco, G., 2012. Regolith transport quantified by braking block, McMurdo Dry Valleys, Antarctica. Geomorphology, DOI:10.1016/j.geomorph.2011.12.010

Rovey II, C.W., Balco, G., 2011. Summary of Early and Middle Pleistocene Glaciations in Northern Missouri, USA., Developments in Quaternay Science, 15: 553-561.

Shuster, D.L., Cuffey, K.M., Sanders, J.W., Balco, G., 2011. Thermochronometry Reveals Headward Propagation of Erosion in an Alpine Landscape. Science, 332: 84-88.

Uhen, M.D., Pyenson, N.D., Devries, T.J., Urina, M., Renne, P.R., 2011. New Middle Eocene Whales from the Pisco Basin of Peru. BioOne, DOI: 10.1666/10-162.1.

Valla, .G., Shuster, D.L., van der Beek, P.A., 2011. Significant increase in relief of the European Alps during mid-Pleistocene glaciations. Nature Geoscience, DOI: 10.1038/NGEO1242.

Yapp, C.J., Shuster, D.L., 2011. Environmental memory and a possible seasonal bias in the stable isotope composition of (U–Th)/He-dated goethite from the Canadian Arctic. Geochimica et Cosmochimica Acta, 75: 4194-4215.

2010

Balco, G., Rovey II, C.W., 2010. Absolute chronology for major Pleistocene advances of the Laurentide Ice Sheet. Geology, 38: 795-798.

Behr, W.M., Rood, D.H., Fletcher, K.E., et al, Sharp, W.D., 2010. Uncertainties in slip-rate estimates for the Mission Creek strand of the southern San Andreas fault at Bixkra Palms Oasis, southern California. GSA Bulletin, 122: 1360-1377.

Brownlee, S. J., Renne, P.R., 2010. Thermal history of the Ecstall pluton from 40Ar/39Ar geochronology and thermal modeling. Geochimica et Cosmochimica Acta, 74: 4375-4391.

Cassata, W. S., Shuster, D.L., Renne, P.R., Weiss, B. P., 2010. Evidence for shock heating and constraints on Martian surface temperatures revealed by 40Ar/39Ar thermochronometry of Martian meteorites. Geochimica et Cosmochimica Acta, 74: 6900-6920.

Courtillot, V., Kravchinsky, V.A., Quidelleur, X., Renne, P.R., Gladkochb, D.P., 2010. Preliminary dating of the Viluy traps (Eastern Siberia): Eruption at the time of Late Devonian extinction events? Earth & Planetary Science Letters, 300: 239-245.

Deino, A.L., Scott, G.R., Saylor, B., Alene, M., Angelini, J.D., Haile-Selassie, Y., 2010. 40AR.39Ar dating, plaeomagnetism, and tephrochemistry of Pliocene strata of the hominid-bearing Woranso-Mille area, west-central Afar Rift, Ethiopia. Journal of Human Evolution, 58:111-126.

Farley, K.A., Shuster, D.L., Watson, E.B., Wanser, K.H., Balco, G., 2010. Numerical investigations of apatite 4He/3He thermochronometry. AGU-Geochemstry Geophysics, Geosystems G3, V11 #10.

Fletcher, K.E.K., Sharp, W.D., Kendrick, K.J., Behr, W.M., Hudnut, K.W., Hanks, T.C.,2010. 230Th/U dating of a late Pleistocene alluvial fan along the southern San Andreas fault. GSA Bulletin, 122: 1347-1359.

Haile-Selassie, Y., Latimer, B.M., Alene, M., Deino, A.L., et al, 2010. An early Australopithecus afarensis postcranium from Woranso-Mille, Ethiopia. PNAS, 107: 12121-12126

Haile-Selassie, Y., Saylor, B.Z., Deino, A.L., Alene, M., Latimer, B.M., 2010. New Hominid Fossils From Woranso-Mille (Central Afar, Ethiopia) and Taxonomy of Early Australopithecus. American Journal of Physical Anthropology, 141:406-417.

Jarbo, N.A., Coe, R.S., Renne, P.R., Glen, J.M.G., 2010. Canyon incision and knickpoint propagation recorded by apatite 4He/3He thermochronometry. Chemical Geology, 274: 158-168.

Memeti, V., Paterson, S., Matzel, J., Mundil, R., Okaya, D., 2010. Magmatic lobes as “snapshots” of magma chamber growth and evolution in large, composite batholiths: An example from the Tuolumne intrusion, Sierra Nevada, California. Geological Society of America Bulletin, doi: 10.1130/B30004.1 .

Mundil, R., Palfy, J., Renne, P.R., Brack, P., 2010. The Triassic timescale: new constraints and a review of geochronological data. Geological Society of London, 334: 41-60.

Oster, J.L., Montanez, I.P., Gilderson, T.P., Sharp, W.D., Banner, J.L., 2010. Modeling speleothem δ13C variability in a central Sierra Nevada cave using 14C and 87Sr/86Sr., Geochimica et Cosmochimica Acta, 74: 5228-5242.

Renne, P.R., Mundil, R., Balco, G., Min, K., Ludwig, K.R., 2010. Joint determination of 40K decay constants and 40Ar*/40K for the Fish Canyon sanidine standard, and improved accuracy for 40Ar/39Ar geochronology. Geochimica et Cosmochimica Acta, 74:5349-5367.

Renne, P.R., Schwarcz, H.P., Kleindienst, M.R., Osinski, G.R., Donovan, J.J., 2010. Age of the Dakhleh impact event and implications for Middle Stone Age archeology in the Western Desert of Egypt., Earth & Planetary Science Letters, 291: 201-206.

Sharp, W.D., Kahn, J.G., Polito, C.M., Kirch, P.V., 2010. Rapid evolution of ritual architecture in central Polynesia indicated by precise 230Th/U coral dating. PNAS. Doi/10.1073/pnas.1005063107.

Schildgen, T.F., Balco, G., Shuster, D.L., 2010. The age of the Steens reversal and the Columbia River Basalt Group. Earth & Planetary Science Letters, 293: 377-387.

Shuster, D.L., Balco, G., Cassata, W.S., Fernandes, V.A., 2010. A record of impacts preserved in the lunar regolith. Earth & Planetary Science Letters, 290:155-165.

2009

Balco, G., Shuster, D. L., 2009. Production rate of cosmogenic 21Ne in quartz estimated from 10Be, 26Al, and 21Ne concentrations in slowly eroding Antarctic bedrock surfaces. Earth & Planetary Science Letters 281:48-58.

Balco, G., Shuster, D. L., 2009. 26Al–10Be–21Ne burial dating. Earth & Planetary Science Letters 286: 570-575

Cassata, W.S., Renne, P.R., Shsuter, D.L., 2009 Argon diffusion in plagioclase and implications for thermochronometry: A case study from the Bushveld Complex, South Africa. Geochimica et Cosmochimica Acta 73: 6600-6612.

Chang, S., Zhang, H., Renne, P.R., Fang, Y., 2009. High-precision 40Ar/39Ar age for the Jehol Biota. Palaeogeography, Paleoclimatology, Palaeoecology, 280: 94-104

Cirilli, S., Marzoli, A., Tanner, L., Bertrand, H., Buratti, N., Jourdan, F., Bellieni, G., Kontak, D., Renne, P.R., 2009. Latest Triassic onset of the Central Atlantic Magmatic Province (CAMP) volcanism in the Fundy Basin (Nova Scotia): New stratigraphic constraints. Earth & Planetary Science Letters 286:514-525.

Feinber, J.M., Renne, P.R., Arroyo-Cabralles, J., Waters, M.R., Ochoa-Castillo, P., Perez-Campa, M., 2009. Age constraints on alleged “footprints” preserved in the Xalnene Tuff near Puebla, Mexico. Geology 37:267-270

Flowers, R. M., Ketcham, R. A., Shuster, D.L., Farley, K.A., 2009. Apatite (U–Th)/He thermochronometry using a radiation damage accumulation and annealing model. Geochimica et Cosmochimica Acta 73: 2347-2365.

Garrick-Bethell, I., Weiss, B.P., Shuster, D.L., Buz, J., 2009. Early Lunar Magnetism. Science 323:356-359.

Glen, J.M.G., Nomade, S., Lyons, J.J., Metcalfe, I., Mundil, R., Renne, P.R., 2009. Magnetostratigraphic correlations of Permian–Triassic marine-to-terrestrial sections from China. Journal of Asian Earth Sciences 36: 521-540.

Jourdan., F, Renne, P.R., Reimold, W.U., 2009, An appraisal of the ages of terrestrial impact structures. Earth & Planetary Science Letters 286:1-13.

Metcalfe, I., Foster, C.B., Afonin, S.A., Nicoll, R.S., Mundil, R., Xiaofeng, W., Lucas, 2009. Stratigraphy, biostratigraphy and C-isotopes of the Permian–Triassic non-marine sequence at Dalongkou and Lucaogou, Xinjiang Province, China. Journal of Asian Earth Sciences 36: 503-520.

Morgan, L.E., Renne, P.R., Taylor, R.E., WoldeGabriel, G., 2009. Archaeological age constraints from extrusion ages of obsidian: Examples from the Middle Awash, Ethiopia. Quarternary Geochronology 4:193-203.

Reiners, P.W., Shuster, D.L., 2009. Thermochronology and landscape evolution. Physics Today Sept 2009: 31-36.

Renne, P.R., Cassata, W.S., Morgan, L.E., 2009. The isotopic composition of atmospheric argon and 40Ar/39Ar geochronology: Time for a change? Quaternary Geochronology 4:288-298.

Renne, P.R., Deino, A.D., Hames, W.E., Heizler, M.T., et al, 2009. Data reporting norms for 40Ar/39Ar geochronology. Quaternary Geochronology 4:346-352.

Shuster, D.L., Farley, K.A., 2009. The influence of artificial radiation damage and thermal annealing on helium diffusion kinetics in apatite. Geochimica et Cosmochimica Acta, 73: 183-196.

WoldeGabriel, G., Ambrose, S.H., Barboni, D., Bonnefille, R., Renne, P.R., et al, 2009. The Geological, Isotopic, Botanical, Invertebrate, and Lower Vertebrate Surroundings of Ardipithecus ramidus. Science 326:65-70.

2008

Bergstrom, S.M., Toprak, F. O., Huff, W. D. , Mundil, R., 2008. Implications of a new, biostratigraphically well-controlled, radio-isotopic age for the lower Telychian Stage of the Llandovery Series (lower Silurian, Sweden). Episodes 31:309-314

Colgan, J.P., Shuster, D.L., Reiners, P.W., 2008. Two-phase Neogene extension in the northwestern Basin and Range recorded in a single thermochronology sample. Geology, 36:634-634.

Hart, W. K. , Woldegabriel, G., Haile-Selassie, Y., Renne, P.R., 2008. Volcanic record of the Adu-Asa formation.Haile_Selassie08_C03.indd 63

Jourdan, F., Renne, P.R., and Reimold, W.U., 2008. High-precision 40Ar/39Ar dating of the Jänisjärvi impact structure (Russia). Earth and Planetary Science Letters, 265: 438-449. doi:10.1016/j.epsl.2007.10.043.

Kuiper, K.F., Deino, A., Krijgsman, W., Renne, P.R., and Wijbrans, J.R., 2008. Synchronizing the rock clocks of Earth history. Science, 320: 500-504.

Lin, W., Faure, M., Nomade, S., Shang, Q.H., and Renne, P.R., 2008. Permian-Triassic amalgamation of Asia: Insights from Northeast China sutures and their place in the final collision of North China and Siberia. Comptes Rendus Geoscience, 340: 190-201.

Morgan, L.E., Renne, P.R., 2008. Diachronouse dawn of Africa's Middle Stone Age: New 40Ar/39Ar ages from the Ethiopian Rift. Geology, 36:967-970

Renne, P.R., Morgan, L.E., Woldegabriel, G., Hart, W. K. , Haile-Selassie, Y., 2008. Geochronology. Haile_Selassie08_C04.indd 93

Renne, P.R., Sharp, Z.D., Heizler, M.T., 2008. Cl-derived argon isotope production in the CLICIT facility of OSTR reactor and the effects of the Cl-correction in 40Ar/39Ar geochronology. Chemical Geology, 255:403-466.

Simon, J.I., Renne, P.R., and Mundil, R., 2008. Implications of pre-eruptive magmatic histories of zircons for U-Pb geochronology of silicic extrusions. Earth and Planetary Science Letters, 266:182-194. doi:10.1016/j.epsl.2007.11.014.

Vogel, N, and Renne, P.R., 2008. 40Ar-39Ar dating of plagioclase grain size separates from silicate inclusions in IAB iron meteorites and implications for the thermochronological evolution of the IAB parent body. Geochimica et Cosmochimica Acta, 72: 1231-1255. doi:10.1016/j.gca.2007.12.001.

Woldegabriel, G., Hart, W.K., Renne, P.R.,Haile-Selassie, Y., White, T. 2008. Stratigraphy of the Adu-Asa formation. Haile_Selassie08_C02.indd 27

2007

D’Addezio, G., Karner, D.B., Burrato, P., Insinga, D., Maschio, L., Ferranti, L., and Renne, P.R., 2007. Tephrochronology in faulted Middle Pleistocene tephra layer in the Val ‘Agri area (Southern Italy). Annals of Geophysics, 49: 1029-1040.

Fekiacova, Z., Mertz, D.F., Renne, P.R., 2007. Geodynamic setting of the Tertiary Hocheifel volcanism (Germany), Part I: 40Ar/39Ar geochronology. - In: Ritter, J.R.R. & Christensen, U.R. (eds.): Mantle Plumes - A multidisciplinary approach, Springerz: 185-206.

Florindo, F., Karner, D.B., Marra, F., Renne, P.R., Roberts, A.P. and Weaver, R., 2007. Radioisotopic age constraints for Glacial terminations IX and VII from aggradational sections of the Tiber River delta in Rome, Italy. Earth and Planetary Science Letters 256: 61-80. doi:10.1016/j.epsl.2007.01.014.

Jourdan, F., Feraud, G., Bertrand, H., Watkeys, M., and Renne, P.R., 2007. Distinct brief major events in the Karoo large igneous province clarified by new 40Ar/39Ar ages on the Lesotho basalts. Lithos, 98 (1-4): 195-209.

Jourdan, F.,  Matzel, J.P., and Renne, P.R., 2007. 39Ar and 37Ar recoil ejection during neutron irradiation of sanidine and plagioclase. Geochimica et Cosmochimica Acta, 71: 2791-2808. doi:10.1016/j.gca.2006.06.606.

Jourdan, F., Renne, P.R., and Reimold, W.U., 2007. The problem of inherited 40Ar* in dating impact glass by the 40Ar/39Ar method: Evidence from the Tswaing impact crater (South Africa). Geochimica et Cosmochimica Acta, 71: 1214-1231.

Jourdan, F. and Renne, P.R., 2007. Age calibration of the Fish Canyon sanidine 40Ar/39Ar dating standard using primary K-Ar standards. Geochimica et Cosmochimica Acta, 71: 387-402.

Levine, J., Renne, P.R., and Muller, R.A., 2007. Solar and Cosmogenic Argon in Dated Lunar Impact Spherules. Geochimica et Cosmochimica Acta, 71: 1624-1635.

Mulcahy, S.R., Roeske, S.M., McClelland, W.C., Nomade, S., and Renne, P.R., 2007. Cambrian initiation of the Las Pirquitas thrust of the western Sierras Pampeanas, Argentina: Implications for the tectonic evolution of the proto-Andean margin of South America. Geology, 35: 443-446.

Nomade, S., Knight, K.B., Beutel, E., Renne, P.R., Vérati, C., Féraud, G., Marzoli, A., Youbi, N., and Bertrand, H., 2007. Chronology of the Central Atlantic Magmatic Province: Implications for the Central Atlantic rifting processes and the Triassic-Jurassic biotic crisis. Palaeogeography, Palaeoclimatology, Palaeoecology, 244: 326-344.

Palfy, J., Mundil, R., Renne, P.R., Bernor, R.L., Kordos, L., and Gasparik, M., 2007. U-Pb and 40Ar/39Ar dating of the Miocene fossil track site at Ipolytarnóc (Hungary) and its implications. Earth and Planetary Science Letters, 258: 160-174. doi:10.1016/j.epsl.2007.03.02

Pastre, J.F., Gauthier, A., Nomade, S., Orth, P., Andrieu, A., Goupille, F., Guillou, H., Kunesch, S., Scaillet, S., and Renne, P.R., 2007. The Alleret maar (Massif Central, France): A new lacustrine sequence of the early Middle Pleistocene in western Europe. Comptes Rendus Geoscience, 339 (16): 987-997.

Rosset, A., De Min, A., Marques, L.S., Macambira, M.J.B., Ernesto, M., Renne, P.R., and Piccirillo, E.M., 2007. Genesis and geodynamic significance of Mesoproterozoic and Early Cretaceous tholeiitic dike swarms from the São Francisco craton (Brazil). Journal of South American Earth Sciences, 24: 69-92.

Verdel, C., Wernicke, B.P., Ramezani,  J., Hassanzadeh, J., Renne, P.R., and Spell, T.L., 2007. Geology and thermochronology of Tertiary Cordilleran-style metamorphic core complexes in the Saghand region of central Iran. Geological Society of America Bulletin, 119: 961-977. doi:10.1130/B26102.1

2006

Anders, M.D., Pederson, J.L. Rittenour, T.M., Sharp, W.D., Gosse, J.C., Karlstrom, K.E., Crossey, L.J., Goble, R.J., Stockli, L., and Yang, G., 2006. Pleistocene geomorphology and geochronology of eastern Grand Canyon: linkages of landscape components during climate changes. Quaternary Science Reviews, 24: 2428-2448.

Brack, P., Rieber, H., Nicora, A., and Mundil R., 2006. The Global Boundary Stratotype Section and Point (GSSP) of the Ladinian Stage (Middle Triassic) at Bagolino (Southern Alps, Northern Italy) and its implications for the Triassic time scale. Episodes, 28 (4): 233-244.

Carmichael, I.S.E., Lange, R.A., Hall, C.M., and Renne, P.R., 2006. Faulted and tilted Pliocene Olivine-Tholeiite Lavas near Alturas, NE California, and their bearing on the uplift of the Warner Range. Geological Society of America Bulletin, 118 (9/10): 1196-1211; doi: 10.1130/B25918.1.

Feinberg, J.M., Wenk, H.R., Scott, G.R., and Renne, P.R., 2006. Preferred orientation and anisotropy of seismic and magnetic properties in gabbronorites from the Bushveld layered intrusion. Tectonophysics, 420: 345-456.

Feinberg, J.M., Harrison, R.J., Kasama, T.,  Dunin-Borkowski, R.E.,  Scott, G.R., and Renne, P.R., The effects of internal mineral structures on the magnetic remanence of silicate-hosted titanomagnetite inclusions: An electron holography study. Journal of Geophysical Research 111B12S15 10.1029/2006JB004498.

Freda, C., Gaeta, M., Karner, D.B., Marra, F., Renne, P.R., Taddeucci, J., Scarlato, P., Christensen, J.N., and Dallai, L., 2006. Eruptive history and petrologic evolution of the Albano multiple maar (Alban Hills, Central Italy). Bulletin of Volcanology, 68 (6): 567-591.

Heim J. A., Vasconcelos P. M., Shuster D. L., Farley K. A., and Broadbent G., 2006. Dating palaeochannel iron ore by (U-Th)/He analysis of supergene goethite, Hamersley Province, Australia. Geology, 34(3): 173-176.

Matzel, J., Bowring, S. A., and Miller, R. B., 2006. Timescales of pluton construction at differing crustal levels: Examples from the Mount Stuart batholith and Tenpeak pluton, North Cascades, WA: GSA Bulletin, v. 118, no. 11/12, p. 1412-1430, doi:10.1130/B25923.1.

Paine, J.H., Nomade, S., and Renne, P.R., 2006. Quantification of 39Ar recoil ejection from biotite during neutron irradiation as a function of grain dimensions. Geochimica et Cosmochimica Acta, 70: 1507-1517.

Schultz, P.H., Zarate, M., Hames, W.E., Harris, R.S., Bunch, T.E., Koeberl, C., Renne,  P., and Wittke, J., 2006. The record of Miocene impacts in the Argentine Pampas. Meteoritics and Planetary Science, 41 (5): 749-771.

Shuster D. L., Flowers R. M., Farley K. A., 2006. The influence of natural radiation damage on helium diffusion kinetics in apatite. Earth and Planetary Science Letters, 249(3-4): 148-161.

Vogel, N., Nomade, S., Negash, A., and Renne, P.R., 2006. Forensic 40Ar/39Ar dating: A provenance study of Middle Stone Age obsidian tools from Ethiopia. Journal of Archeological Science, 33: 1749-1765.

White, T.D., Suwa, G., Asfaw, B., Ambrose, S., Beyene, Y., Bernor, R., Boisserie, J.-R., Currie, B., Gilbert, W.H., Haile-Selassie, Y., Hart, W.K., Hlusko, L., Howell, F.C., Kono, R.T., Louchart, A., Lovejoy, C.O., Renne, P.R., Saegusa, H., Vrba, E., Wesselman, H., and WoldeGabriel, G., Asa Issie, Aramis, and the origin of Australopithecus. Nature, 440 (7086): 883-889.

2005

Beutel, E.K., Nomade, S., Fronabarger, A.K. and Renne, P.R., 2005. Pangea's complex breakup: A new rapidly changing stress field model. Earth and Planetary Science Letters, 236(1-2): 471-485.

Cruz, J., F.W., Burns, S.J., Karmann, I., Sharp, W.D., Vuille, M., Cardoso, A.O., Ferrari, J.A., Silva Dias, P.L. and Viana, J., O, 2005. Insolation-driven changes in atmospheric circulation over the past 116,000 years in subtropical Brazil. Nature, 434: 63-66.

Feinberg, J.M., Scott, G.R. and Renne, P.R., 2005. Exsolved magnetite inclusions in silicates: Features determining their remanence behavior. Geology, 33(6): 513-516.

Hearty, P.J., Karner, D.B., Renne, P.R., Olson, S.L., and Fletcher, S., 2005. 40Ar/39Ar age of a young rejuvenation basalt flow: Implications for the duration of volcanism and the timing of carbonate platform development during the Quaternary on Kaua’i, Hawaiian Islands. New Zealand Journal of Geology and Geophysics, 48: 199-211.

Jacobs, L.L., Winkler, D.A., Newman, K.D., Gomani, E. and Deino, A., 2005. The head of the devil: Therapsids from the Permian Chiweta beds and the age of the Karoo Supergroup in Malawi. Paleontologica Electronica, 8(1): 1-23.

Kirch, P.V. and Sharp, W.D., 2005. Coral 230Th Dating of the Imposition of a Ritual Control Hierarchy in Precontact Hawaii. Science, 307: 102-104.

Levine, J., Becker, T.A., Muller, R.A. and Renne, P.R., 2005. 40Ar/39Ar dating of Apollo 12 impact spherules. Geophysical Research Letters, 32, L15201,doi:10.1029/2005GL022874.

Muhs, D.R., Simmons, K.R., Kennedy, G.L., Ludwig, K.R., and Groves, L.T., 2005. A cool eastern Pacific Ocean at the close of the Last Interglacial complex. Quaternary Science Reviews 25(3-4): 235-262.

Miller, C., Mundil, R., Thöni, M. and Konzett, J., 2005. Refining the timing of eclogite metamorphism: a geochemical, petrological, Sm-Nd and U-Pb case study from the Pohorje Mountains, Slovenia (Eastern Alps). Contributions to Mineralogy and Petrology, 150: 70-84.

Min, K., Reiners, P.W., Nicolescu, S., Wolff, J. and Mundil, R., 2005. (U-Th)/He Dating of volcanic phenocrysts with high-U-Th inclusions, Lower Bandelier Tuff, Jemez Volcanic Field. Chemical Geology, 227: 223-235.

Nomade, S., Renne, P.R., Vogel, N., Deino, A.L., Sharp, W.D., Becker, T.A., Jaouni, A.R., and Mundil, R., 2005. Alder Creek sanidine (ACs-2): A Quaternary 40Ar/39Ar dating standard. Chemical Geology, 318(3-4): 315-338.

Peate. I.U., Baker, J.A., Al-Kadasi, M., Al-Subbary, A., Knight, K.B., Riisager, P., Thirlwall, M.F., Peate, D.W., Renne, P.R., and Menzies, M.A., 2005. Volcanic stratigraphy of large-volume silicic pyroclastic eruptions during Oligocene Afro-Arabian flood volcanism in Yemen. Bulletin of Volcanology, 68: 135-156.

Renne, P.R., Knight, K., Nomade, S., Leung, K. and Lou, T., 2005. Application of deuteron-deuteron (D-D) fusion neutrons to 40Ar/39Ar geochronology. Applied Radiation and Isotopes, 62: 25-32.

Renne, P.R., Feinberg, J.M., Waters, M.R., Arroyo-Cabrales , J., Ochoa-Castillo, P., Perez-Campa, M., and Knight, K.B., 2005. Archaeology: Age of Mexican ash with alleged ‘footprints’. Nature, 438 E7-E8, doi:10.1038/news050704-4(2005).

Riisager, P., Knight, K.B., Baker, J.A., Ukstins Peate, I., al-Kadasi, M., al-Subbary, A. and Renne, P.R., 2005. Paleomagnetism and 40Ar/39Ar geochronology of Yemeni Oligocene volcanics: Implications for timing and duration of Afro-Arabian traps and geometry of the Oligocene paleomagnetic field. Earth and Planetary Science Letters, 237: 647-672.

Roberts, E.M., Deino, A.L. and Chan, M.A., 2005. 40Ar/39Ar age of the Kaiparowits Formation, southern Utah and correlation of contemporaneous Campanian strata and vertebrate faunas along the margin of the Western Interior Basin. Cretaceous Research, 26(2): 307-318.

Semaw, S., Simpson, S.W., Quade, J., Renne, P.R., Butler, R.F., McIntosh, W.C., Levin, N., Dominquez-Rodrigo, M. and Rogers, M.J., 2005. Early Pliocene hominids from Gona, Ethiopia. Nature, 433: 301-305.

Sharp, W.D. and Renne, P.R., 2005, The 40Ar/39Ar dating of core recovered by the Hawaii Scientific Drilling Project (phase 2), Hilo, Hawaii. Geochemistry, Geophysics, Geosystems, 6(4), Q04G17, doi:10.1029/2004GC000846.

Shervais, J.W., Murchey, B.L., Kimbrough, D.L., Renne, P.R. and Hanan, B.B., 2005. Radioisotopic and biostratigraphic age relations in the Coast Range Ophiolite, Northern California: Implications for the tectonic evolution of the western Cordillera. Geological Society of America Bulletin, 117(No. 5/6): 633-653.

Shuster D. L., Ehlers T. A., Rusmore M. E., and Farley K. A., 2005, Rapid glacial erosion at 1.8 Ma revealed by 4He/3He thermochronometry. Science, 310(5754): 1668-1670.

Shuster D. L. and Farley K. A., 2005. 4He/3He thermochronometry: Theory, practice and potential complications. In Low-Temperature Thermochronology: Techniques, Interpretations, and Applications, Vol. 58 (ed. P. W. Reiners and T. A. Ehlers), pp. 181-202. Mineralogical Society of America.

Shuster D. L. and Weiss B. P., 2005. Martian surface paleotemperatures from thermochronology of meterorites. Science, 309(5734): 594-597.

Shuster D. L., Vasconcelos P. M., Heim J. A., and Farley K. A., 2005. Weathering geochronology by (U-Th)/He dating of goethite. Geochimica Et Cosmochimica Acta, 69(3): 659-673.

Trauth, M.H., Mastin, M.A., Deino, A. and Strecker, M.R., 2005, Late Cenozoic moisture history of East Africa. Science, 309 (5743): 2051-2053.

Ustaömer, P.A., Mundil, R. and Renne, P.R., 2005. U/Pb and Pb/Pb zircon ages for arc-related intrusions of the Bolu Massif (W Pontides, NW Turkey): Evidence for Late Precambrian (Cadomian) age. Terra Nova, 17(3): 215-223. doi:10.1111/j.1365-3121.2005.00594.x

Wolfenden, E., Ebinger, C., Yirgu, G., Renne, P.R. and Kelley, S.P., 2005. Evolution of a volcanic rifted margin: southern Red Sea, Ethiopia. Geological Society America Bulletin, 117(7/8): 846-864.

Cruz, F. W., Jr., S. J. Burns, I. Karman, W. D. Sharp, M. Vuille, A. O. Cardoso, J. A. Ferrari, P. L. Silva Dias, and O. Vianna Jr., 2005. Insolation-driven changes in atmospheric circulation over the past 116,000 years in subtropical Brazil. Nature, 434: 63-65.

Kirch, P. V. and W. D. Sharp, 2005. Coral 230Th Dating of the Imposition of a Ritual Control Hierarchy in Precontact Hawaii. Science, 307: 102-104.

Nomade, S., Renne, P.R., Vogel, N., Deino, A.L., Sharp, W.D., Becker, T.A., Jaouni, A.R., and Mundil, R., 2005. Alder Creek Sanidine (ACs-2): A Quaternary 40Ar/39Ar dating standard. Chemical Geology, in press.

Renne, P.R., Knight, K.B., Nomade, S., Leung, K.-N., and Lou, T.-P., 2005. Application of deuteron-deuteron (D-D) fusion neutrons to 40Ar/39Ar geochronology. Applied Radiation and Isotopes, 62: 25-32.

2004

Black, L.P., Kamo, S.L., Allen, C.M., Davis, D.W., Aleinikoff, J.N., Valley, J.W., Mundil, R., Campbell, I.H., Korsch, R.J., Williams, I.S. and Foudoulis, C., 2004. Improved Pb-206/U-238 microprobe geochronology by the monitoring of a trace-element-related matrix effect; SHRIMP, ID-TIMS, ELA-ICP-MS and oxygen isotope documentation for a series of zircon standards. Chemical Geology, 205: 115-140.

Feinberg, J.M., Wenk, H.-R., Renne, P.R., and Scott, G.R., 2004. Epitaxial relationships of clinopyroxene-hosted magnetite determined using electron backscatter diffraction (EBSD) technique. American Mineralogist, 89: 462-466.

Haile-Selassie, Y., WoldeGabriel, G., While, T.D., Bernor, R.L., Degusta, D., Renne, P.R. Hart, W.K., Vrba, E., Ambrose, S., and Howell, F.C., 2004. Mio-Pliocene mammals from the Middle Awash, Ethiopia. Geobios, 37 (4): 536-552.

Hollister, L.S., Hargraves, R.B., James, T., and Renne, P.R., 2004. The paleomagnetic effects of post-intrusion reheating of the Ecstall pluton, British Columbia. Earth and Planetary Science Letters, 221: 397-407.

Jordan, B.T., Grunder, A.L., Duncan, R.A., and Deino, A.L., 2004. Geochronology of age-progressive volcanism of the Oregon High Lava Plains: Implications for the plume interpretation of Yellowstone. Journal of Geophysical Research, 109, B10202.

Kirch, P. V., A. S. Hartshorn, O. A. Chadwick, P. M. Vitousek, D. R. Sherrod, J. Coil, L. Holm, and W. D. Sharp, 2004. Environment, agriculture, and settlement patterns in a marginal Polynesian landscape. Proceedings National Academy Sciences, 101: 9936-9941.

Knight, K.B., Nomade, S., Renne, P.R., Marzoli, A., Bertrand, H., and Youbi, N., 2004. The Central Atlantic Magmatic Province at the Triassic-Jurassic boundary: Paleomagnetic and 40Ar/39Ar evidence from Morocco for brief, episodic volcanism. Earth and Planetary Science Letters, 228: 143-160.

Marzoli, A., Bertrand, H., Knight*, K.B., Cirilli, S., Buratti, N., Vérati, C., Nomade**, S., Renne, P.R., Youbi, N., Martini, R., Allenbach, K., Neuwerth, R., Rapaille, C., Zaninetti, L., and Bellieni, G., 2004. Synchrony of the Central Atlantic magmatic province and the Triassic-Jurassic boundary. Geology, 32: 973-976.

Mertz, D. F., W. D. Sharp and K. M. Haase, 2004. Volcanism on the Eggvin Bank (Central Norwegian-Greenland Sea, latitude ~71°N): age, source, and relationship to the Iceland and putative Jan Mayen plumes. Journal of Geodynamics, 38: 57-83.

Mundil, R., Ludwig, K.R., Metcalf, I., and Renne, P.R., 2004. Age and Timing of the End Permian mass extinction: U-Pb geochronology of closed system zircons: Science, 305: 1760-1763.

Nomade, S., Renne, P.R., and Merkle, R.K.W., 2004. 40Ar/39Ar age constraints on ore deposition and cooling of the Bushveld Complex, South Africa. Journal of the Geological Society of London, 161: 411-420.

Nomade, S., Renne, P.R., Mo, X., Zhao, Z., and Zhou, S., 2004. Miocene Potassic and Ultrapotassic Volcanism in the Lhasa Block: Spatial Trends and Geodynamic Implications. Earth and Planetary Science Letters, 221: 227-243.

Norman, E.B., Browne, E., Goldman, I.D., and Renne, P.R., 2004. Improved Limit on the Electron Capture Decay Branch of 176Lu. Applied Radiation and Isotopes, 65 (5): 767-770.

Potts, R., Behrensmeyer, A.K., Deino, A., Ditchfield, P., and Clark, J., 2004. Small Mid-Pleistocene hominin associated East African Achuelean technology. Science, 2305: 75–78.

Quade J., Levin N., Semaw S., Stout D., Renne, P.R., Rogers, M., Simpson, S., 2004. Paleoenvironments of the earliest stone toolmakers, Gona, Ethiopia. Geological Society of America Bulletin, 116: 1529-1544; doi: 10.1130/B25358.1.

Schultz, P.H., Zárate, M., Hames, B., Koeberl, C., Bunch, T., Storzer, D., Renne, P.R., and Wittke, J., 2004. The Quaternary impact record from the Pampas, Argentina. Earth and Planetary Science Letters, 219:221-238.

Semaw, S., Simpson S.W., Quade, J., Renne, P.R., Butler, R.F., McIntosh, W.C., Levin, N., Dominguez-Rodrigo, M., and Rogers, M.J., 2004. Early Pliocene Hominids from Gona, Ethiopia. Nature, 433: 301-305.

Shervais, J.W., Kimbrough, D.L., Renne, P.R., Hanan, B.B., Murchey, B., Snow, C.A., Schuman, M.M.Z., and Beaman, J., 2004. Multi-stage origin of the Coast Range ophiolite, California: Implications for the life cycle of supra-subduction zone ophiolites. International Geology Review, 46: 289-315.

Shuster D. L. and Farley K. A., 2004. 4He/3He thermochronometry. Earth and Planetary Science Letters, 217(1-2): 1-17.

Shuster D. L., Farley K. A., Sisterson J. M., and Burnett D. S., 2004. Quantifying the diffusion kinetics and spatial distributions of radiogenic 4He in minerals containing proton-induced 3He. Earth and Planetary Science Letters, 217(1-2): 19-32.

WoldeGabriel, G., Renne, P.R., Hart, W.K., Ambrose, S., Asfaw, B., and White, T.D., 2004. Geoscience Methods Lead to Paleo-anthropological Discoveries in Afar Rift, Ethiopia. EOS, 85 (29) 273-280.

Wolfenden, E., Ebinger, C., Yirgu, G., Renne, P.R., and Kelley, S.P., 2004. Evolution of a volcanic rifted margin: southern Red Sea, Ethiopia. Geological Society of America Bulletin, in press.

Wolfenden, E., Ebinger, C., Yirgu, G., Deino, A., and Dereje, A., 2004. Evolution of the northern Main Ethiopian rift: birth of a triple junction. Earth and Planetary Science Letters, 224: 213–228.

Zhu, R., Hoffman, K.A., Nomade, S., Renne, P.R., Shi, R., Pan, Y., and Shi, G., 2004. Geomagnetic paleointensity and direct age determination of the ISEA (M-0r?) chron. Earth and Planetary Science Letters, 217: 285-295.

2003

Ambrose, S.H., Hlusko, L.J., Kyule, D. and Deino, A.L., 2003. Lemudong'o: a new 6 Ma paleontological site near Narok, Kenya Rift Valley. Journal of Human Evolution, 44(6): 737-742.

Black, L.P., Kamo, S.L., Williams, I.S., Mundil, R., Davis, D.W., Korsch, R.J. and Foudoulis, C., 2003. The application of SHRIMP to Phanerozoic geochronology: a critical appraisal of four zircon standards. Chemical Geology, 200(1-2): 171-188.

Blisniuk, P.M. and Sharp, W.D., 2003. Rates of late Quaternary normal faulting in central Tibet from U-series dating of pedogenic carbonate in displaced fluvial gravel deposits. Earth and Planet Science Letters, 215: 169-186.

Blumenschine, R.J., Peters, C.R., Masao, F.T., Clarke, R.J., Deino, A.L., Hay, R.L., Swisher, C.C., Stanistreet, I.G., Ashley, G.M., McHenry, L.J., Sikes, N.E., van der Merwe, N.J., Tactikos, J.C., Cushing, A.E., Deocampo, D.M., Njau, J.K. and Ebert, J.I., 2003. Late pliocene Homo and hominid land use from western Olduvai Gorge, Tanzania. Science, 299(5610): 1217-1221.

Clark, J.D., Beyene, Y., WoldeGabriel, G., Hart, W.K., Renne, P.R., Gilbert, H., Defleur, A., Suwa, G., Shigehiro, K., Ludwig, K.R., Boisserie, J.-R., Asfaw, B. and White, T.D., 2003. Stratigraphic, chronological and behavioural contexts of Pleistocene Homo sapiens from Middle Awash, Ethiopia. Nature, 423: 747-752.

Courtillot, V.E. and Renne, P.R., 2003. On the ages of flood basalt events (Sur l'age des trapps basaltiques). Comptes Rendus Geoscience, 335: 113-140.

Cousens, B.L., Clague, D.A. and Sharp, W.D., 2003. Chronology, chemistry, and origin of trachytes from Hualalai Volcano, Hawaii. Geochemistry, Geophysics, Geosystems, 4(9): 1-27.

Ferrandini, J., Gattacceca, J., Ferrandini, M., Deino, A.L. and Janin, M.C., 2003. Chronostratigraphy and peleomagnetism of Oligo-Miocene deposits of Corsica (France): geodynamic implications for the liguro-provencal basin spreading. Bulletin de la Societe Geologique de France, 174(4): 357-371.

Glen, J.M.G., Valet, J.P., Soler, V., Renne, P.R. and Elmaleh, A., 2003. A Neogene geomagnetic polarity transition record from lavas of the Canary Islands, Spain: Episodic volcanism adn/or metastable transitional fields? Geophysical Journal International, 154(2): 426-440.

Horn, S.P., Sanford, R.L., Dilcher, D., Lott, T.A., Renne, P.R., Wiemann, M.C., Cozadd, D. and Vargas, O., 2003. Pleistocene plant fossils in and near La Selva Biological Station, Costa Rica. Biotropica, 35(3): 434-441.

Knight, K.B., Renne, P.R., Halkett, A. and White, N., 2003. 40Ar/39Ar dating of the Rajahmundry Traps, Eastern India and their relationship to the Deccan Traps. Earth and Planet Science Letters, 208: 85-99.

Liu, J.Z., Hay, R.L., Deino, A.L. and Kyser, T.K., 2003. Age and origin of authigenic K-feldspar in uppermost Precambrian rocks in the North American Midcontinent. Geological Society of America Bulletin, 115(4): 422-433.

Ludwig, K.R., 2003. Mathematical-statistical treatment of data nd errors for Th-230/U geochronology. Uranium-Series Geochemistry, Reviews in Minerology and Geochemistry, 52: 631-656.

Marra, F., Freda, C., Scarlato, P., Taddeucci, J., Karner, D.B., Renne, P.R., Gaeta, M., Palladino, D.M., Trigila, R. and Cavarretta, G., 2003. 40Ar/39Ar Geochronology and compositional features of young volcanic rocks from the Alban Hills Volcanic District (Rome, Italy): evidence of rejuvenation volcanism. Bulletin of Volcanology, 65: 227-247.

Min, K., Farley, K.A., Renne, P.R. and Marti, K., 2003. Single grain (U-Th)/He ages from phosphates in Acapulco meteorite and implications for thermal history. Earth and Planet Science Letters, 209: 323-336.

Mundil, R., Zuhlke, R., Bechstadt, T., PeterhŠnsel, A., Egenhoff, S.O., Oberli, F., Meier, M., Brack, P. and Rieber, H., 2003. Cyclicites in Triassic platform carbonates: synchronizing radio-isotopic and orbital clocks. Terra Nova, 15(2): 81-87.

Nomade, S., Chen, Y., Pouclet, A., F�raud, G., Th�veniaut, H., Daouda, B., Vidal, M. and Rigolet, C., 2003. The Guiana and the West African Shield Palaeoproterozoic grouping: new palaeomagnetic data for French Guiana and the Ivory Coast. Geophysical Journal International, 154: 1-18.

Schmitz, M.D., Bowring, S.A., Ludwig, K.R. and Renne, P.R., 2003. Comment on "Precise K-Ar, 40Ar-39Ar, Rb-Sr adn U-Pb mineral ages from the 27.5 Ma Fish Canyon Tuff reference standard". Chemical Geology, 199: 277-280.

Semaw, S., Rogers, M.J., Quade, J., Renne, P.R., Butler, R.F., Dominquez-Rodrigo, M., Stout, D., Hart, W.S., Pickering, T. and Simpson, S.W., 2003. 2.6 million-year-old stone tools and associated bones from OGS-6 and OGS-7, Gona, Afar, Ethiopia. Journal of Human Evolution, 45: 169-177.

Sharp, W.D., Ludwig, K.R., Chadwick, O.A., Amundson, R. and Glaser, L.L., 2003. Dating fluvial terraces by 230Th/U on pedogenic carbonate, Wind River Basin, Wyoming. Quartenary Research, 59: 139-150.

Trauth, M.H., Deino, A.L., Bergner, A.G.N. and Strecker, M.R., 2003. East African climate change and orbital forcing during the last 175 kyr BP. Earth and Planet Science Letters, 206: 297-313.

Zhu, R., Hoffman, K.A., Nomade, S., Renne, P.R., Shi, R., Pan, Y. and Shi, G., 2003. Geomagnetic paleointensity and direct age determination of the ISEA (M0r?) chron. Earth and Planetary Science Letters, 217: 285-295.

Zuhlke, R., Bechstadt, T. and Mundil, R., 2003. Sub-Milankovitch and Milankovitch forcing on a model Mesozoic carbonate platform - the Latemar (Middle Triassic, Italy). Terra Nova, 15: 69-80.

2002

Asfaw, B., Gilbert, H., Beyene, Y., Hart, W., Renne, P.R., WoldeGabriel, G., Vrba, E. and White, T., 2002. Remains of Homo erectus from Bouri, Middle Awash, Ethiopia. Nature, 416: 317-320.

Baxter, E., DePaolo, D.J. and Renne, P.R., 2002. Spatially correlated anomalous 40Ar/39Ar "age" variations in biotites about a lithologic contact near Simplon Pass, Switzerland: a mechanistic explanation for excess Ar. Geochimica et Cosmochimica Acta, 66(6): 1067-1083.

Behrensmeyer, A., Deino, A.L., Hill, A., Kingston, J. and Saunders, J., 2002. Geology and geochronology of the middle Miocene Kipsaramon site complex, Muruyur Beds, Tugen Hills, Kenya. Journal of Human Evolution, 42: 11-38.

Behrensmeyer, A., Potts, R., Deino, A.L. and Ditchfield, P., 2002. Olorgesailie, Kenya: A million years in the life of a rift basin. Society for Sedimentary Geology (SEPM), Special Publication, 73(Sedimentation in Continental Rifts): 97-106.

Busby, C., Yip, G., Blikra, L. and Renne, P.R., 2002. Coastal landsliding and catastrophic sedimentation triggered by Cretaceous-Tertiary bolide impact: A Pacific margin example? Geology, 30: 687-690.

Deino, A.L. and Hill, A., 2002. 40Ar/39Ar dating of Chemeron Formation strata encompassing the site of hominid KNM-BC 1, Tugen Hills, Kenya. Journal of Human Evolution, 42: 141-151.

Deino, A.L. and McBrearty, S., 2002. 40Ar/39Ar dating of the Kapthurin Formation, Baringo, Kenya. Journal of Human Evolution, 42: 185-210.

Deino, A.L., Tauxe, L., Monaghan, M. and Hill, A., 2002. 40Ar/39Ar geochronology and paleomagnetic stratigraphy of the Lukeino and lower Chemeron Formations at Tabarin and Kapcheberek, Tugen Hills, Kenya. Journal of Human Evolution, 42: 117-140.

Dusel-Bacon, C., Lanphere, M., Sharp, W.D., Layer, P. and Hansen, V., 2002. Mesozoic thermal history and timing of structural events for the Yukon-Tanana Upland, east-central Alaska: 40Ar/39Ar data from metamorphic and plutonic rocks. Canadian Journal of Earth Sciences, 39: 1013-1051.

Evans W. C., Sorey M. L., Cook A. C., Kennedy B. M., Shuster D. L., Colvard E. M., White L. D., and Huebner M. A., 2002. Tracing and quantifying magmatic carbon discharge in cold groundwaters: lessons learned from Mammoth Mountain, USA. Journal of Volcanology and Geothermal Research, 114(3-4): 291-312.

Kwon, J., Min, K., Bickel, P. and Renne, P.R., 2002. Statistical methods for jointly estimating decay constant of 40K and age of a dating standard. Mathematical Geology, 34(4): 457-474.

Ludwig, K.R. and Paces, J.B., 2002. Uranium-series dating of pedogenic silica and carbonate, Crater Flat, Nevada. Geochimica and Cosmochimica Acta, 66(3): 487-506.

Lyons, J., Coe, R., Zhao, X., Renne, P.R., Kazansky, A., Izokh, A., Kungurtsev, L. and Mitrokhin, D., 2002. Paleomagnetism of the early Triassic Semeitau Igneous Series, E. Kazakhstan. Journal of Geophysical Research, 107: 10.1029/2001JB000521.

Nomade, S., F�raud, G., Chen, Y. and Pouclet, A., 2002. Thermal and tectonic evolution of the paleoproterozoic Transamazonian orogen as deduced from 40Ar/39Ar and AMS along the Oyapok river (French Guyana). Precambrian Research, 114: 35-53.

Nomade, S., Pouclet, A. and Chen, Y., 2002. The French Guyana doleritic dykes: geochemical evidence of three populations and new data for the Jurassic Central Atlantic Magmatic Province. Journal of Geodynamics, 34: 595-614.

Paces, J.B., Ludwig, K., Peterman, Z. and Neymark, L., 2002. 234U/238U evidence for local recharge and patterns of ground-water flow in the vicinity of Yucca Mountain, Nevada, USA. Applied Geochemistry, 17(6): 751-779.

Pederson, J., Karlstrom, K., Sharp, W.D. and McIntosh, W., 2002. Differential incision of the Grand Canyon related to Quaternary faulting - contraints from U-series and Ar/Ar dating. Geological Society of America, 30(8): 739-742.

Renne, P.R., 2002. Flood Basalts - Bigger and Badder. Science, 296: 1812-1813.

Renne, P.R., Reimold, W., Koeberl, C., Hough, R. and Claeys, P., 2002. Comment on: I.T. Uysal et al. 'K-Ar evidence from illitic clays of a Late Devonian age for the 120 km diameter Woodleigh impact structure, Southern Carnaron Basin, Western Australia'. Earth and Planetary Science Letters, 201(1/2): 247-252.

Renne, P.R., Scott, G.R., Glen, J.M. and Feinberg, J.M., 2002. Oriented inclusions of magnetite in clinopyroxene: Source of stable remanent magnetization in gabbros of the Messum Complex, Namibia. Geochemistry, Geophysics, Geosystems, 3(12): 1-11.

Teixeira, W., Pinese, J., Iacumin, M., Girardi, V., Piccirillo, E.M., Echeveste, H., Ribot, A., Fernandez, R., Renne, P.R. and Heaman, L.M., 2002. Calc-alkaline and tholeiitic dyke swarms of Tandilia, Rio De La Plata Craton, Argentina: U-Pb, Sm-Nd, and Rb-Sr 40Ar/39Ar data provide new clues for intraplate rifting shortly after the Trans-Amazonian orogeny. Precambrian Research, 119: 329-353.

Ukstins, I., Renne, P.R., Wolfenden, E., Baker, J., Menzies, M. and Aleyew, D., 2002. Matching conjugate volcanic rifted margins: 40Ar/39Ar chronostratigraphy of pre- and syn-rift bimodal flood volcanism in Ethiopia and Yemen. Earth and Planet Science Letters, 198: 289-306.

Weiss B. P., Shuster D. L., and Stewart S. T., 2002. Temperatures on Mars from 40Ar/39Ar thermochronology of ALH84001. Earth and Planetary Science Letters, 201(3-4): 465-472.


Weiss B. P., Vali H., Baudenbacher F. J., Kirschvink J. L., Stewart S. T., and Shuster D. L., 2002. Records of an ancient Martian magnetic field in ALH84001. Earth and Planetary Science Letters, 201(3-4): 449-463.

2001

Begemann, F., Ludwig, K.R., Lugmair, G.W., Min, K., Nyquist, L.E., Patchett, P.J., Renne, P.R., Shih, C.-Y., Villa, I.M. and Walker, R.J., 2001. Call for an improvised set of decay constants for geochronological use. Geochimica et Cosmochimica Acta, 65: 111-121.

Blatter, D.L., Carmichael, I.S.E., Deino, A.L. and Renne, P.R., 2001. Neogene volcanism at the front of the central Mexican volcanic belt: Basaltic andesites to dacites, with contemporaneous shoshonites and high-TiO2 lava. Geological Society of America Bulletin, 113(10): 1324-1342.

Deino, A.L., Gattacceca, J., Rizzo, R. and Montanari, A., 2001. 40Ar/39Ar dating and paleomagnetism of the Miocene volcanic succession of Monte Furru (western Sardinia): Implications for the rotation history of the Corsica-Sardinia microplate. Geophysical Research Letters, 28(17): 3373-3376.

DePaolo D. J., Bryce J. G., Dodson A., Shuster D. L., and Kennedy B. M., 2001. Isotopic evolution of Mauna Loa and the chemical structure of the Hawaiian plume. Geochemistry Geophysics Geosystems 2, paper #2000GC000139.


Evans W. C., Sorey M. L., Kennedy B. M., Stonestrom D. A., Rogie J. D., and Shuster D. L., 2001. High CO2 emissions through porous media: transport mechanisms and implications for flux measurement and fractionation. Chemical Geology, 177(1-2): 15-29.

Harrison, T., Msuya, C.P., Murray, A.M., Jacobs, B.F., Baez, A.M., Mundil, R. and Ludwig, K.R., 2001. Paleontological investigations at the Eocene locality of Mahenge in North-Central Tanzania, East Africa. In: G.F. Gunnell (Editor), Eocene Biodiversity: Unusual Occurences and Rarely Sampled Habitats. Kluwer Academic /Plenum Publishers, New York.

Karner, D.B., Lombardi, L., Marra, F., Fortini, P. and Renne, P.R., 2001. Age of ancient monuments by means of building stones provenance: a case study of the Tullianum, Rome, Italy. Journal of Archaeological Science, 28(4): 387-393.

Karner, D.B., Marra, F. and Renne, P.R., 2001. The history of the Monti Sabatini and Alban Hills volcanoes: Groundwork for assessing volcanic-tectonic hazards for Rome. Journal of Volcanology and Geothermal Research, 107(1-3): 185-215.

Karner, D.B., Renne, P.R., McDougall, I. and Becker, T.A., 2001. The viability of leucite for 40Ar/39Ar dating and as a Quaternary standard. Chemical Geology, 177: 473-482.

Kowallis, B.J., Christiansen, E., Deino, A.L., Zhang, C. and Everett, B.H., 2001. The record of Middle Jurassic volcanism in the Carmel and Temple Cap Formations of southwestern Utah. Geological Society of America Bulletin, 113(3): 373-387.

Ludwig, K.R., 2001. Eliminating mass-fractionation effects on U-Pb isochron ages without doubles-spiking of Pb. Geochimica and Cosmochimica Acta, 65: 3139-3145.

Ludwig, K.R. and Paces, J.B., 2001. Uranium-series dating of pedogenic silica and carbonate, Crater Flat, Nevada. Geochimica et Cosmochimica Acta, 66: 487-506.

Mertz, D.F., Weinrich, A., Renne, P.R. and Sharp, W.D., 2001. Alkaline intrusions in a near-trench setting, Franciscan Complex, California: Constraints from geochemistry, petrology, and 40Ar/39Ar geochronology. American Journal of Science, 301: 877-911.

Metcalfe, I., Nicoll, R., Mundil, R., Foster, C., Glen, J., Lyons, J., Wang, X., Wang, C.-y., Renne, P.R., Black, L., Qu, X. and Mao, X., 2001. The Permian-Triassic Boundary and Mass Extinction in China. Episodes, 24(4): 239-244.

Min, K., Renne, P.R. and Huff, W.D., 2001. 40Ar/39Ar dating of Ordovician K-bentonites in Laurentia and Baltoscandia. Earth and Planet Science Letters, 185(1-2): 121-134.

Mote, T.I., Becker, T.A., Renne, P.R. and Brimhall, G.H., 2001. Chronology of Exotic Mineralization at El Salvador, Chili by 40Ar/39Ar dating of copper wad and supergene alumite. Economic Geology, 96(2): 351-366.

Muller, R., Becker, T., Culler, T. and Renne, P.R., 2001. Solar system impact rates measured from lunar spherule ages. In: B. Peucker-Ehrenbrink and B. Schmitz (Editors), Accretion of extraterrestrial matter throughout Earth's history. Kluwer Publishers, pp. 447-452.

Mundil, R., Metcalfe, I., Ludwig, K.R., Renne, P.R., Oberli, F. and Nicoll, R.S., 2001. Timing of the Permian-Triassic biotic crisis: implications from new zircon U/Pb age data (and their limitations). Earth and Planet Science Letters, 187: 131-145.

Renne, P.R., 2001. Reply to comment on 40Ar/39Ar age of plagioclase from Acapulco meteorite and the problem of systematic errors in cosmochronology' by Mario Trieloff, Elmar K. Jessberger and Christine Fieni. Earth and Planet Science Letters, 190: 271-273.

Renne, P.R., 2001. Book Review: The Dating Game: One Man's Search for the Age of the Earth (Cherry Lewis). Physics Today, October: 74.

Renne, P.R., Farley, K.A., Becker, T.A. and Sharp, W.D., 2001. Terrestrial cosmogenic argon. Earth and Planet Science Letters, 188: 435-440.

Renne, P.R. and Norman, E.B., 2001. Determination of the half-life of 37Ar by mass spectrometry. Physical Review, C63(047302): 3pp.

Renne, P.R., Sharp, W.D., Montanez, I.P., Becker, T.A. and Zierenberg, R.A., 2001. 40Ar/39Ar dating of Late Permian evaporites, southeastern New Mexico, USA. Earth and Planet Science Letters, 193: 539-547.

Renne, P.R., Sharp, W.D., Monta–ez, I.P., Becker, T.A. and Zierenberg, R.A., 2001. 40Ar/39Ar dating of Late Permian evaporites, southeastern New Mexico, USA. Earth and Planetary Science Letters, 193(3/4): 539-547.

Trauth, M.H., Deino, A.L. and Strecker, M.R., 2001. Response of the East African climate to orbital forcing during the last interglacial (130-117 ka) and the early last glacial (117-60 ka). Geology, 29(6): 499-502.

Umhoefer, P.J., Dorsey, R.J., Willsey, S., Mayer, L. and Renne, P.R., 2001. Stratigraphy and geochronology of the Comondu Group near Loreto, Baja California sur, Mexico. Sedimentary Geology, 144(1-2): 125-147.

WoldeGabriel, G., Halle-Selassie, Y., Renne, P.R., Hart, W.K., Ambrose, S.H., Asfaw, B., Hiken, G. and White, T.D., 2001. Geology and palaeontology of the late Miocene Middle Awash valley, Afar rift, Ethiopia. Nature, 412: 175-178.

2000

Blisniuk, P.M., Ludwig, K.R., Sharp, W.D., Ryserson, R., Sonder, L.J., Bi, S., Wu, Z., Ratschbacker, L. and Edwards, M., 2000. Timing and rates of Late Neogene extension in Central Tibet. AGU, Fall meeting abstracts.

Culler, T.S., Becker, T.A., Muller, R.A. and Renne, P.R., 2000. Lunar impact history from 40Ar/39Ar dating of glass spherules. Science, 287(5459): 1785-1788.

Gabunia, L., Vekua, A., Lordkipanidze, D., Swisher, C.C., III, Ferring, R., Justus, A., Nioradze, M., Tvalchrelidze, M., Anton, S.C., Bosinski, G., Jšris, O., Lumley, M.-A.-.d., Majsuradze, G. and Mouskhelishvili, A., 2000. Earliest Pleistocene Hominid Cranial Remains from Dmanisi, Republic of Georgia: Taxonomy, Setting, and Age. Science, 288(5468): 1019-1025.

Hames, W.E., Renne, P.R. and Ruppel, C.R., 2000. New Evidence for geologically instantaneous emplacement of earliest Jurassic Central Atlantic magmatic province basalts on the North American margin. Geology, 28: 859-862.

Harrison, T., Msuya, C.P., Murray, A., Jacobs, B.F., B‡ez, A.M., Mundil, R. and Ludwig, K.R., 2000. Paleonotological investigations at the Eocene locality of Mahenge in north central Tanzania: East Africa, Eocene Vertebrates: Unusual Occurences and Rarely Sampled Habitats. In: G. Gunnell (Editor), Topics in Geobiology. Plenum Press, New York, NY.

Hasse, K.M., Mertz, D.F., Sharp, W.D. and Garbe-Schonberg, C.D., 2000. Sr-Nd-Pb isotope ratios, geochemical compositions and 40Ar/39Ar data of lavas from San Felix Island (southwest Pacific): Implications for magma genesis and sources. Terra Nova, 12: 90-96.

Hemming, S.R., Bond, G.C., Broecker, W.S., Sharp, W.D. and Klas-Mendelson, M., 2000. Evidence from 40Ar/39Ar ages of individual hornblende grains from Orphan Knoll for varying Laurentide sources of iceberg discharges 22,000 to 10,500 14C years B.P. Quartenary Research, 54: 372-383.

Katoh, S., Nagaoka, S., WoldeGabriel, G., Renne, P.R., Snow, M.G., Beyene, Y. and Suwa, G., 2000. Lithology, Chronostratigraphy and correlation of the Plio-Pleistocene Tephra Layers of the Konso Formation, Southern Main Ethiopian Rift, East Africa. Quartenary Science Reviews, 19: 1305-1317.

Lucchitta, I., Curtis, G.H., Davis, M.E., Davis, S.W. and Turrin, B., 2000. Cyclic aggradation and downcutting, fluvial response to volcanic activity, and calibration of soil carbonate stages in the western Grand Canyon, Arizona. Quaternary Research, 53: 23-33.

Ludwig, K.R., 2000. Decay constant errors on U-Pb concordia-intercept ages. Chemical Geology, 166: 315-318.

Ludwig, K.R., 2000. Uranium decay constant. Section in WG-3 joint paper.

Ludwig, K.R., 2000. SQUID 1.00 - A User's Manual. Berkeley Geochronology Center Special Publication 2: 17pages.

Ludwig, K.R. and Renne, P.R., 2000. Geochronology on the paleoanthropological time scale. Millenium Issue of Evolutionary Anthropology, 9(2): 101-110.

Marzoli, A., Piccirillo, E.M., Renne, P.R., Bellieni, G., Iacumin, M., Nyobe, J.B. and Tongwa, A.T., 2000. The Cameroon Volcanic Line revisited: petrogenesis of continental basaltic magmas from lithosopheric and asthenospheric mantle sources. Journal of Petrology, 41: 87-109.

Mertz, D.F., Swisher, C.C. III, Franzen, J.L., Neuffer, F.O. and Lutz, H., 2000. Numerical sating of the Eckfeld maar fossil site, Eifel, Germany: a calibration mark for the Eocene time scale. Naturwissenschaften, 87: 270-274.

Min, K., Mundil, R., Renne, P.R. and Ludwig, K.R., 2000. A test for systematic errors in 40Ar/39Ar geochronology through comparison with U-Pb analysis of a 1.1 Ga rhyolite. Geochimica et Cosmochimica Acta, 64(1): 73-98.

Renne, P.R., 2000. 40Ar/39Ar age of plagioclase from Acapulco meteorite and the problem of systematic errors in cosmochronology. Earth and Planetary Science Letters, 175: 13-26.

Renne, P.R., 2000. K-Ar and 40Ar/39Ar Dating in Quaternary Geochronology: Methods and Applications. In: J.M.S. J. S. Noller, W. R. Lettis (Editor), American Geophysical Union Reference Shelf Series 4, 77-100.

Renne, P.R., 2000. Geochronology. In: J. deHeinzelin, J.D. Clark, K.D. Schick and W.H. Gilbert (Editors), The Acheulean and the Plio-Pleistocene deposits of the Middle Awash Valley, Ethiopia. Royal Museum for Central Africa, Belgium, pp. 47-50.

Renne, P.R., 2000. The issue of standards in 40Ar/39Ar geochronology.

Renne, P.R., Ludwig, K.R. and Karner, D.B., 2000. Progress and challenges in geochronology. Science Progress, 83: 107-121.

Rook, L., Renne, P.R., Benvenuti, M. and Papini, M., 2000. Geochronology of Oreopithecus-bearing succession at Bacinello (Italy) and the extinction pattern of European Miocene Hominoids. Journal of Human Evolution, 39: 577-582.

Sharp, W.D., Tobisch, O.T. and Renne, P.R., 2000. Development of Cretaceous transpressional cleavage synchronous with batholith emplacement, central Sierra Nevada, California. Geological Society of America Bulletin, 112(7): 1059-1066.

WoldeGabriel, G., Heiken, G., White, T.D., Asfaw, B., Hart, W.K. and Renne, P.R., 2000. Volcanism, tectonism, sedimentation, and the paleoanthropological record in the Ethiopian Rift System. In: F.W. McCoy and G. Heiken (Editors), Volcanic Hazards and Disasters in Human Antiquity: Geological Society of America Special Paper., pp. 83-99.

Yamei, H., Potts, R., Baoyin, Y., Zhengtang, G., Deino, A., Wei, W., Clark, J., Guangmao, X. and Weiwen, H., 2000. Mid-Pleistocene Acheulean-like stone technology of the Bose Basi, South China. Science, 287: 1622-1626.

1999

deHeinzelin, J., Clark, J.D., White, T.D., Hart, W.K., Renne, P.R., WoldeGabriel, G., Beyene, Y. and Vrba, E., 1999. Environment and behavior of 2.5 million year old Bouri hominids. Science, 284: 625-629.

Ernesto, M., Roposo, M.I.B., Marques, L.S., Renne, P.R., Diogo, L.A. and Min, A.d., 1999. Paleomagnetism, geochemistry and 40Ar/39Ar dating of the north-eastern Paran‡ Magmatic Province: tectonic implications. Journal of Geodynamics, 28: 321-340.

Gabunia, L.K., Jšris, O., Justus, A., Lordkipanidze, D., Muschelisvili, A., Nioradze, M., III Swisher, C.C., III and Vekua, A.K., 1999. Neue Hominidenfunde des altpalŠolithischen Fundplatzes Dmanisi (Georgien, Kaukasus) im Kontext aktueller Grabunsergebnisse. Sonderausdruck aus Archaeologisches Korrespondenzblatt, 29(4): 451-488.

Kowallis, B.J., Swisher, C.C., III, Carranza-Castaneda, W.E. and Tingey, D.G., 1999. Fission-track and single-crystal 40Ar/39Ar dates from volcanic ash layers in fossil-bearing Pliocene sediments in central Mexico. Revista Mexicana de Ciencias Geologicas, 15(2): 157-160.

Ludwig, K.R., 1999. Using Isoplot/Ex, Version 2.01: a geochronological toolkit for Microsoft Excel. Berkeley Geochronology Center Special Publication, No. 1a: 47.

Ludwig, K.R., Mundil, R. and Renne, P.R., 1999. How well can we really do timescale geochronology with zircon Uranium-Lead? Journal of Goldschmidt Conference Abstracts, 243: 178-179.

Ludwig, K.R., Mundil, R. and Renne, P.R., 1999. High resolution U/Pb data for the Permian-Triassic transition. Geological Society of American Annual Meeting 1999, A289.

Marzoli, A., Melluso, L., Morra, V., Renne, P.R., Sgrosso, I., D'Antonio, M., Morais, L.D., Morais, E.A.A. and Ricci, G., 1999. Geochronology and petrology of Cretaceous basaltic magmatism in the Kwanza Basin (Western Angola), and relationships with the Paran‡-Etendeka continental flood basalt province. Journal of Geodynamics, 28: 341-356.

Marzoli, A., Renne, P.R., Piccirillo, E., Francesca, C., Bellieni, G., Melfi, A., Nyobe, J.B. and N'ni, J., 1999. Silicic magmas from the continental Cameroon volcanic line (Oku, Bambouto and Ngaoundere): 40Ar-39Ar dates, petrology, Sr-Nd-O isotopes and their petrogenetic significance. Contributions to Minerology and Petrology, 135: 133-150.

Marzoli, A., Renne, P.R., Piccirillo, E.M., Ernesto, M., Bellieni, G. and DeMin, A., 1999. Extensive 200 Million Year Old Continental Flood Basalts of the Central Atlantic Magmatic Province. Science, 284: 616-618.

Mundil, R., Egenhoff, S., Peterhaensel, A., Brack, P. and Oberli, F., 1999. Constraints on the duration of Middle Triassic sedimentary cycles: U/Pb zircon ages from the Latermar carbonate platform (S. Alps, N. Italy). Geological Society of America Abstracts with Programs, 31(7): 424.

Renne, P.R., WoldeGabriel, G., Hart, W.K., Heiken, G. and White, T.D., 1999. Chronostratigraphy of the Miocene-Pliocene Sagantole Formation, Middle-Awash Valley, Afar rift, Ethiopia. Geological Society of America Bulletin, 111: 2-18.

Renne, P.R., Mundil, R., Min, K. and Ludwig, K.R., 1999. Progress report on high-resolution comparison of Argon/Argon and Uranium/Lead systems. Journal of Conference Abstracts, 9th Goldschmidt Conference: 243.

Rose, W.I., Conway, F.M., Pullinger, C.R., Deino, A. and McIntosh, W.C., 1999. An improved age framework for late Quartenary silicic eruptions in northern Central America. Bulletin of Volcanology, 61: 106-120.

Sharp, W.D. and Renne, P.R., 1999. Commentary on: Chronology of Emplacement of Mesozoic batholithic complexes in California and western Nevada by J.F. Evernden and R.W. Kistler. Geological Society of America Special Paper, 338: 186-200.

Sharp, W.D., Ludwig, K.R., Chadwick, O.A. and Amundson, R.G., 1999. High-Resolution dating by TIMS 230Th/U of paleosols in fluvial terraces of the Wind River Basin, Wyoming, U.S.A. (abstr.). GSA National Meeting, 1999, A55.

Swisher, C.C., III, Want, Y., Wang, X., Xu, X. and Wang, Y., 1999. A Cretaceous age for the feathered dinosaurs of China. Nature, 400: 58-61.

Teixeira, W., Renne, P.R., Bossi, J., Campal, N. and D'Agrella, M.S., 1999. 40Ar/39Ar and Rb-Sr geochronology of the Uruguayan dike swarm, Rio de la Plata Craton and implications for Proterozoic intraplate activity in western Gondwana. Precambrian Research, 93: 153-180.

1998

Aalto, K.R., Sharp, W.D. and Renne, P.R., 1998. 40Ar/39Ar dating of detrital micas from Oligocene-Pleistocene sandstones of the Olympic Peninsula, Klamath Moutains and northern California coast ranges: Provenance and paleodrainage patterns. Canadian Journal of Earth Sciences, 35: 735-745.

Bachhuber, J., Page, W.D. and Renne, P.R., 1998. Evaluation of risk from surface fault rupture to a penstock using the 40Ar/39Ar dating technique. In: W. Lettis, J. Noller and J. Sowers (Editors), Dating and Earthquakes: Review of Quaternary geochronology and its application to paleoseismology. U.S. Nuclear Regulatory Commission, pp. 53-60.

Best, M.G., Hintze, L.F., Deino, A.L. and Maughan, L.L., 1998. Geological map of the Fairview Range and Grassy Mountain. Nevada Bureau of Mines and Geology, Lincoln County, Nevada.

Deino, A.L., Renne, P.R. and Swisher, C.C., III, 1998. 40Ar/39Ar dating in paleoanthropology and archeology. Evolutionary Anthropology, 6(2): 63-75.

Duebendorfer, E.M. and Sharp, W.D., 1998. Variation in displacement along strike of the South Virgin-White Hills detachment fault: perspective from the northern White Hills, northwestern Arizona. Geological Society of America Bulletin, 110(12): 1574-1589.

Hemming, S.R., Broecker, W.S., Sharp, W.D., Bond, G.C., Gwiazda, R.H., McManus, J.F., Klas, M. and Hajdas, I., 1998. Provenance of Heinrich layers in core V28-82 northeastern Atlantic: 40Ar/39Ar ages of ice-rafted hornblende, Pb isotopes in feldspar grains, and Nd-Sr-Pb isotopes in the fine sediment fraction. Earth and Planet Science Letters, 164: 317-333.

Hutson, F., Mann, P. and Renne, P.R., 1998. 40Ar/39Ar dating of single muscovite grains in Jurassic siliciclastic rocks (San Cayetano Formation): Constraints on the paleoposition of western Cuba. Geology, 26: 83-86.

Karner, D.B. and Renne, P.R., 1998. 40Ar/39Ar geochronology of Roman volcanic province tephra in the Tiber River valley: Age calibration of middle Pleistocene sea-level changes. Geological Society of America, 110: 740-747.

Loope, D.B., Dingus, L., Swisher, C.C., III and Minjin, C., 1998. Life and death in a Late Cretaceous dune field, Nemegt Basin, Mongolia. Geology, 26(1): 27-30.

Ludwig, K.R., 1998. On the treatment of concordant uranium-lead ages. Geochimica et Cosmochimica Acta, 62(4): 665-676.

Mundil, R. and Ludwig, K.R., 1998. Improving the accuracy of high-resolution single zircon U/Pb data: an example from the Permo-Triassic boundary. Geological Society of American Abstracts with Programs, 1998 Annual Meeting, A-312.

Raposo, M.I.B., Ernesto, M. and Renne, P.R., 1998. Paleomagnetism and 40Ar/39Ar dating of the early Cretaceous Florian—polis dike swarm, Santa Catarina Island, southern Brazil. Physics of Earth and Planetary Interiors, 108: 275-290.

Renne, P.R., Karner, D.B. and Ludwig, K.R., 1998. Absolute Ages Aren't Exactly. Science, 282: 1840-1841.

Renne, P.R., Swisher, C.C., III, Deino, A.L., Karner, D.B., Owens, T. and DePaolo, D.J., 1998. Intercalibration of standards, absolute ages and uncertainties in 40Ar/39Ar dating. Chemical Geolology, 145(1-2): 117-152.

Tarduno, J.A., Brinkman, D.B., Renne, P.R., Cottrell, R.D., Scher, H. and Castillo, P., 1998. Evidence for Extreme Climatic Warmth from Late Cretaceous Arctic Vertebrates. Science, 282: 2,241-2,243.

1997

Bestland, E.A., Retallack, G.J. and Swisher, C.C., III, 1997. Stepwise climate change recorded in Eocene-Oligocene Paleosol sequences from central Oregon. Journal of Geology, 105(2): 153-172.

Clement, B.M., Swisher, C.C., III and Rodda, P., 1997. New magnetostratigraphic and 40Ar/39Ar dating results from the Suva Marl, Fiji; calibration of the early Pliocene geomagnetic polarity time scale. Earth and Planetary Science Letters, 151(1-2): 107-115.

Deino, A.L., Channell, J., Coccioni, R., Grandis, G.D., DePaolo, D.J., Fornaciari, E., Emmanuel, L., Laurenzi, M.A., Montanari, A., Rio, D. and Renard, M., 1997. Integrated stratigraphy of the upper Burdigalian-lower Langhian section at Moria (Marche region, Italy). In: A. Montanari (Editor), Miocene stratigraphy: an integrated approach. 1997 Developments in Paleontology and Stratigraphy. Elsevier, Amsterdam, pp. 315-341.

Flynn, J.J., Guerrero, J. and Swisher, C.C., III, 1997. Geochronology of the Honda Group. In: R.F. Kay (Editor), Vertebrate paleontology in the neurotropics; the Miocene fauna of La Venta, Columbia. Smithsonian Institution Press, Washington, DC, pp. 44-59.

Gebo, D.L., MacLatchy, L., Kityo, R., Deino, A.L., Kingston, J. and Pilbeam, D., 1997. A Hominid Genus from the Early Miocene of Uganda. Science, 276(5311): 401-404.

Glen, J.M., Renne, P.R., Milner, S.C. and Coe, R.S., 1997. Magma flow inferred from anisotrophy of magnetic susceptibility in the coastal Parana-Etendeka igneous province: Evidence for rifting before flood volcanism? Geology, 25: 1131-1134.

Gruen, R., Thorne, A., Swisher, C.C., III , Rink, W.J., Schwarcz, H.P. and Anton, S.C., 1997. Dating the Ngandong Humans: discussion & reply. Science, 276(5318): 1575-1576.

Hirschmann, M.M., Renne, P.R. and McBirney, A.R., 1997. 40Ar/39Ar dating of the Skaergaard intrusion. Earth and Planetary Science Letters, 146: 645-658.

Ludwig, K.R., 1997. Optimization of multicollector isotope-ratio measurement of strontium and neodymium. Chemical Geology, 135(3-4): 325-334.

Madden, R.H., Guerrero, J., Kay, R.F., Flynn, J.J., Swisher, C.C., III and Walton, A.H., 1997. The Laventan stage and age. In: R.F. Kay (Editor), Vertebrate paleontology in the neotropics; the Miocene fauna of La Venta, Columbia. Smithsonian Institution Press, Washington, D.C., pp. 499-519.

Montanari, A., Beaudoin, B., Chan, L.S., Coccioni, R., Deino, A., DePaolo, D.J., Emmanuel, L., Fornaciari, E., Kruge, M., Lundbald, S., Mozzato, C., Portier, E., Renard, M., Rio, D., Sandroni, P. and Stankiewicz, A., 1997. Integrated stratigraphy of the middle to upper Miocene pelagic sequence of the Conero Riviera (Marche region, Italy). In: A. Montanari (Editor), Miocene stratigraphy; an intgrated approach. 1997 Developments in Palaeontology and Stratigraphy. Elsevier, Amsterdam, pp. 409-450.

Montanari, A., Bice, D.M., Capo, R., Coccioni, R., Deino, A., DePaolo, D.J., Emmanuel, L., Monechi, S., Renard, M. and Zevenboom, D., 1997. Integrated stratigraphy of the Chattian to mid-Burdigalian pelagic sequence of the Contessa Valley (Gubbio, Italy). In: G.S. Odin and R. Coccioni (Editors), Miocene stratigraphy; an integrated approach. 1997 Developments in Palaeontology and Stratigraphy. Elsevier, Amsterdam, pp. 249-277.

Moore, T.E., Hemming, S. and Sharp, W.D., 1997. Provenance of the Carboniferous Nuka Formation, Brooks Range, Alaska: A multicomponent isotope provenance study with implications for age of cryptic crystalline basement. In: J.A. Dumoulin and J.E. Gray (Editors), Geologic Studies in Alaska by the U.S. Geological Survey, 1995: U.S. Geological Survey Professional Paper, pp. 1574: 173-194.

Odin, G.S., Deino, A., Cosca, M., Laurenzi, M.A. and Montanari, A., 1997. Miocene geochronology; methods, techniques, and results. In: A. Montanari (Editor), Miocene stratigraphy; an integrated approach. 1997 Developments in Palaeontology and Stratigraphy. Elsevier, Amsterdam, pp. 583-596.

Renne, P.R. and Deino, A.L., 1997. Progress in improved accuracy of 40Ar/39Ar dating. Bulletin of Liaison and Informations, Phanerozoic Time Scale. Paris: IUGS Subcomission of Geochronology, 14: 39-41.

Renne, P.R., Sharp, W.D., Deino, A.L., Orsi, G. and Civetta, L., 1997. 40Ar/39Ar Dating Into the Historical Realm: Calibration Against Pliny the Younger. Science, 277(5330): 1279-1280.

Semaw, S., Renne, P.R., Harris, J.W.K., Feibel, C.S., Bernor, R.L., Fesseha, N. and Mowbray, K., 1997. 2.5 million year old stone tools from Gona, Ethiopia. Nature, 385: 333-336.

Sempere, T., Butler, R.F., Richards, D.R., Marshall, L.G., Sharp, W.D. and Swisher, C.C., III, 1997. Stratigraphy and chronology of Upper Cretaceous-lower Paleogene strata in Bolivia and Northwest Argentina. Geological Society of America Bulletin, 109(6): 709-727.

Speed, R.C., Sharp, W.D. and Foland, K.A., 1997. Late Paleozoic granitoid gneisses of northeastern Venezuela and the North Ameria-Gondwana collision zone. Journal of Geology, 105: 457-470.

Suwa, G., Asfaw, B., Beyene, Y., White, T.D., Katoh, S., Nagaoka, S., Nakaya, H., Uzawa, K., Renne, P.R. and WoldeGabriel, G., 1997. The first skull of Australopithecus boiseii. Nature, 389: 489-492.

Wenzel, T., Mertz, D.F., OberhŠnsli, R., Becker, T. and Renne, P.R., 1997. Age, geodynamic setting and mantle enrichment processes of a K-rich intrusion from the Meissen Massif (Northern Bohemian Massif) and implications for related occurences from the Mid-European Hercynian. Geologische Rundschau, 86: 556-570.

Winograd, I.J., Landwehr, J.M., Ludwig, K.R., Coplen, T.B. and Riggs, A.C., 1997. Duration and structure of the past four interglaciations. Quaternary Research, 48(2): 141-154.

1996

Alvarez, W., Ammerman, A.J., Renne, P.R., Karner, D.B., Terrenato, N. and Montanari, A., 1996. Quaternary fluvial-volcanic stratigraphy and geochronology of the Capitoline Hill in Rome: Implications for archaeology and glacial cycles. Geology, 24: 751-754.

Brack, P., Mundil, R., Oberli, F., Meier, M. and Rieber, H., 1996. Biostratigraphic and radiometric age data question the Milankovitch characteristics of the Latemar cycles (Southern Alps, Italy). Geology, 24(4): 371-375.

Charrier, R., Wyss, A.R., Flynn, J.J., Swisher, C.C., III, Norell, M.A., Zapatta, F., McKenna, M.C. and Novacek, M.J., 1996. New evidence for late Mesozoic-early Cenozoic evolution of the Chilean Andes in the upper Tinguiririca Valley (35¡ S.), central Chile. Journal of South American Earth Sciences, 9(5-6): 393-422.

DePaolo, D.J., Stopler, E., Thomas, D., Albarede, F., Chadwick, O., Clague, D., Feigenson, M.D., Frey, F.A., Garcia, M.O., Hofman, A.W., Ingram, B.L., Kennedy, B.M., Kirschvink, J., Kurz, M.D., Laj, C., Lockwood, J.P., Ludwig, K.R., McEvilly, T.V., Moberly, R., Moore, G.F., Moore, J.C., Morin, R., Paillet, F., Renne, P.R., Rhodes, M., Tatsumoto, M., Taylor, H., Walker, G. and Wilkins, R., 1996. Scientific Drilling Project Team Hawaii Scientific Drilling Project; summary of preliminary results. GSA Today, 6(8): 1-8.

Hemming, S.R., Broecker, W.S., Sharp, W.D., Gwiazda, R.H. and Bond, G.C., 1996. 40Ar/39Ar age constraints on the sources of ice-rafted horneblende grains in Heinrich layers (abstract).

Jacobs, B.F. and Deino, A.L., 1996. Test of climate-leaf physiognomy regression models, their application to two Miocene floras from Kenya, and 40Ar/39Ar dating of the late Miocene Kapturo site. Palaeogeography, Palaeoclimatology, Palaeoecology, 123(1-4): 259-271.

Lipman, P.W., Dungan, M.A., Brown, L.L. and Deino, A.L., 1996. Recurrent eruption and subsidence at the Platoro Caldera complex, southeastern San Juan volcanic field, Colorado: new tales from old tuffs. Geological Society of America Bulletin, 108(8): 1039-1055.

Ludwig, K.R., Muhs, D.R., Simmons, K.R., Halley, R.B. and Shinn, E.A., 1996. Sea level records at ~80 ka from tectonically stable platforms: Florida and Bermuda. Geology, 24: 211-214.

Marchant, D.R., Denton, G.H., Swisher, C.C., III and Jr., N.P., 1996. Late Cenozoic Antarctic paleoclimate reconstructed from volcanic ashes in the dry valleys region of southern Victoria Land. Geological Society of America Bulletin, 108(2): 181-194.

Moore, J.G., Ingram, B.L., Ludwig, K.R. and Clague, D.A., 1996. Coral ages and island subsidence, Hilo drill hole. Journal of Geophysical Research, 101(5): 11,599-11,605.

Mundil, R., Brack, P., Meier, M., Rieber, H. and Oberli, F., 1996. High resolution U-Pb dating of Middle Triassic volcaniclastics: Time Scale calibration and verification of tuning parameters for carbonate sedimentation. Earth and Planet Science Letters, 141(1-4): 137-151.

Renne, P.R., Deckart, K., Ernesto, M., F�raud, G. and Piccirillo, E.M., 1996. Age of the Ponta Grossa dike swarm (Brazil) and implications for Paran‡ flood volcanicism. Earth and Planetary Science Letters, 144: 199-212.

Renne, P.R., Glen, J.M., Milner, S.C. and Duncan, A.R., 1996. Age of Etendeka flood volcanism and associated intrusions in southwestern Africa. Geology, 24: 659-662.

Renne, P.R., Steiner, M.B., Sharp, W.D., Ludwig, K.R. and Fanning, C.M., 1996. 40Ar/39Ar and U/Pb SHRIMP dating of latest Permian tephras in the Midland Basin, Texas. EOS, 77(46): F794.

Schneider, J., Fisher, R.V., Johnson, S.Y., Swisher, C.C., III , Mason, M.A., Obradovich, J.D., Cotton, M.L., Filewicz, M.V., Vork, D.R., Pawlewicz, M.J., Valin, A., Schneider, J.-L. and Fisher, R.V., 1996. Obispo Formation, California; remobilized pyroclastic material. In: R.G. Stanley (Editor), Age of the Lospe Formation (early Miocene) and origin of the Santa Maria Basin, California; Petroleum source potential and thermal maturity of the Lospe Formation (lowe Miocene) near Point Sal, onshore Santa Maria Basin, California; Obispo Formation, California.

Sharp, W.D., Turrin, B.D., Renne, P.R. and Lanphere, M.A., 1996. 40Ar/39Ar and K/Ar dating of lavas from the Hilo 1-km core hole, Hawaii Scientific Drilling Project. Journal of Geophysical Research, 101(5): 11,607-11,616.

Swisher, C.C., III , Rink, W.J., Anton, S.C., Schwarcz, H.P., Curtis, G.H., Suprijo, A. and Widiasmoro, 1996. Latest Homo Erectus of Java; Potential Contemporaneity with Homo Sapiens in Southeast Asia. Science, 274(5294): 1870-1874.

Tedford, R.H., Swinehart, J.B., Swisher, C.C., III , Prothero, D.R., King, S.A. and Tierney, T.E., 1996. The Whitneyan-Arikareean transition in the High Plains. In: D.R. Prothero (Editor), Terrestial Eocene-Oligocene Transition in North America, pp. 312-334.

Winograd, I.J., Coplen, T.B., Ludwig, K.R., Landwehr, J.M. and Riggs, A.C., 1996. High resolution delta 180 record from Devil's Hole, Nevada for the period 80 to 19 ka. EOS, Transactions, American Geophysical Union.

Winograd, I.J., Ludwig, K.R. and Lauritzen, S.E., 1996. High resolution paleotemperature proxy record for the last interglaciation based on Norwegian speleothems. Quaternary Research, 45(1): 102-104.

Asfaw, B., Beyene, Y., Haile-Selassie, Y., Hart, W., Renne, P.R., Suwa, G., White, T. and WoldeGabriel, G., 1995. Three Seasons of paleontology at Aramis, Ethiopia.

1995

Assorgia, A., Chan, L.S., Deino, A.L., Garbarino, C., Montanari, A., Rizzo, R. and Tocco, S., 1995. Volcanigenic and paleomagnetic studies on the Cenozoic calc-alkalic eruptive sequence of Monte Furru (Bosa, mid-western Sardinia). Giornale di Geologia, 56(1): 17-29.

Basu, A.R., Poreda, R.J., Renne, P.R., Teichmann, F., Vasiliev, Y., Sobolev, N.V. and Turrin, B.D., 1995. High-3He Plume Origin and Temporal-Spatial Evolution of the Siberian Flood Basalts. Science, 269: 822-825.

Berggren, W.A., Kent, D.V., Swisher, C.C., III and Aubry, M.-P., 1995. A Revised Cenozoic Geochronology and Chronostratigraphy. In: W.A. Berggren, D.V. Kent, M.-P. Aubry and J. Hardenbol (Editors), Geochronology, Time Scales and Global Stratigraphic Correlation. Society of Economic Paleontologists and Mineralogists Special Publication, pp. 129-212.

Best, M.G., Christiansen, E.H., Deino, A.L., Gromme, C.S. and Tingey, D.G., 1995. Correlation and emplacement of a large, zoned, discontinously exposed ash flow sheet: the 40Ar/39Ar chronology, paleomagnetism, and petrology of the Pahranagat Formation, Nevada. Journal of Geophysical Research, 100(12): 24,593-24,609.

Coe, J.A., Oswald, J.A., Vadurro, G., Paces, J.B., Ludwig, K.R., Widmann, B., Menges, C.M., Lundstrom, S.C. and Fontaine, C.S.d., 1995. Paleoseismic investigation of the Fatigue Wash fault, Crater Flat, Nye County, Nevada (abstract). EOS, Transactions, American Geophysical Union: F362.

Cunnigham, C.G., Steven, T.A., Rowley, P.D., Naeser, C.W., Mehnert, H.H., Hedge, C.E. and Ludwig, K.R., 1995. Evolution of volcanic rocks and associated ore deposits in the Marysvale volcanic field, Utah. Economic Geology, 89(8): 2003-2005.

Curtis, G.H., 1995. Deterioration of the Royal Tombs. In: R.H. Wilkinson (Editor), Valley of the Sun Kings: New Explorations in the Tombs of the Pharaohs. U. of Arizona Egyptian Expeditions, Tucson, pp. 129-133.

Dashzeveg, D., Novacek, M.J., Norell, M.A., Clark, J.M., Chiappe, L.M., Davidson, A., McKenna, M.C., Dingus, L., Swisher, C.C., III and Altangerel, P., 1995. Extraordinary preservation in a new vertebrate assemblage from the Late Cretaceous of Mongolia. Nature (London), 374(6521): 446-447.

Dorsey, R.J., Umhoefer, P.J. and Renne, P.R., 1995. Rapid subsidence and stacked Gilbert-Type fan deltas, Pliocene Loreto Basin, Baja California Sur, Mexico. Sedimentary Geology, 98: 181-204.

Flynn, J.J. and Swisher, C.C., III, 1995. Cenozoic South American Land Mammal Ages: Correlation to Global Geochronologies. In: W.A. Berggren, D.V. Kent, M.-P. Aubry and J. Hardenbol (Editors), Geochronology, Time Scales and Global Stratigraphic Correlation. Society of Economic Paleontologists and Mineralogists Special Publication, pp. 317-334.

Flynn, J.J., Wyss, A.R., Charrier, R. and Swisher, C.C., III, 1995. An Early Miocene anthropoid skull from the Chilean Andes. Nature (London), 373(6515): 603-607.

Kowallis, B.J., Christiansen, E.H., Deino, A.L., Kunk, M.J. and Heaman, L.M., 1995. Age of the Cenomanian-Turonian boundary in the western interior of the United States. Cretaceous Research, 16: 109-129.

Ludwig, K.R., 1995. Uranium series geochronology and timing of the last interglacial (extended abstract), L. T. Silver Symposium, Division of Geological and Planetary Science, California Institute of Technology, Pasadena, California, pp. 53-56.

Ludwig, K.R., Paces, J.B. and Simmons, K.R., 1995. Dating Pleistocene soils using U-series on micro-sampled silica rich veins and clast rinds, Yucca Mountain, Nevada (abstract), 1995 Annual Meeting. Geological Society of America Abstracts with Programs, New Orleans, LA, pp. A321.

MacFadden, B.J., Anaya, F. and Swisher, C.C., III, 1995. Neogene paleomagnetism and oroclinal bending of the Central Andes of Bolivia. Journal of Geophysical Research, B, Solid Earth and Planets, 100(5): 8153-8167.

Marchant, D.R., Denton, G.H., Swisher, C.C., III and Potter, N., Jr., 1995. Late Cenozoic Antarctic paleoclimate reconstructed from volcanic ashes in the Dry Valleys region of southern Victoria Land, Antarctica. Geological Society of America Bulletin, 108: 181-194.

Martin, A., Stock, J.M., Layer, P., Hausback, B., Renne, P.R. and Lopez-Martinez, M., 1995. Arc-rift transition vulcanism in the Puertecitos volcanic provice, northeastern Baja California, Mexico. Geological Society of America Bulletin, 107: 407-424.

McKnight, B.K., Niem, A.R., Kociolek, P. and Renne, P.R., 1995. Origin of a freshwater-diatom-rich pyroclastic-debris flow in a shallow-marine Tertiary forearc basin, NW Oregon. Journal of Sedimentary Research, 65(505-512).

Mertz, D.F. and Renne, P.R., 1995. Quaternary multi-stage alkaline volcanism at Vesteris Seamount (Norwegian-Greenland Sea): Evidence from laser step heating 40Ar/39Ar experiments. Geodynamics, 19: 79-95.

Nealey, L.D., Unruh, D.M., Ludwig, K.R. and Maldonado, F., 1995. Three dimensional analysis of Sr-Nd-Pb isotopic data for upper Cenozoic volcanic rocks, Colorado Plateau-Basin and Range transition zone (abstract). EOS, Transactions, American Geophysical Union: F687.

Othberg, K.L., Bonnichsen, B., Swisher, C.C., III and Godchaux, M.M., 1995. Geochronology and geochemistry of Pleistocene basalts of the western Snake River plain and Smith Prarie, Idaho, Iscochron/West. New Mexico Institute of Mining and Technology, Socorro, NM, pp. 16-29.

Paces, J.B., Mahan, S.A., Ludwig, K.R., Kwak, L.M., Neymark, L.A., Simmons, K.R., Nealy, L.D., Marshall, B.D. and Walker, A., 1995. Progress report on dating Quaternary surficial deposits. 3GCH510M, U.S. Geological Survey, Yucca Mtn. Project Branch.

Paces, J.B., Neymark, L.A., Kwak, L.M., Ludwig, K.R. and Mahan, S.A., 1995. Importance of estimating climate controlled paleohydrologic fluxes for radioactive waste isolation at Yucca Mountain, Nevada (abstract), Annual Meeting 1995. Geological Society of America Abstracts with Programs, New Orleans, LA, pp. A321.

Potts, R. and Deino, A., 1995. Mid-Pleistocene change in large mammal faunas of East Africa. Quaternary Research, 43(1): 106-113.

Renne, P.R., 1995. Excess 40Ar in biotite and hornblende from the Norils'k 1 intrusion, Siberia: Implications for the age of the Siberian Traps. Earth and Planetary Science Letters, 131: 165-176.

Renne, P.R., 1995. Dating Earth's Middle Ages. Geotimes, 40(11): 17-19.

Renne, P.R., Milner, S.C. and Glen, J.M., 1995. 40Ar/39Ar results from the Etendeka Province, Namibia and comparison with the Paran‡ Province. IUGG-IAVCEI Abstract, 21: A465.

Renne, P.R., Zichao, Z., Richards, M.A., Black, M.T. and Basu, A.R., 1995. Synchrony and Casual Relations Between Permian-Triassic Boundary Crises and Siberian Flood Volcanism. Science, 269: 1413-1413.

Righter, K., Carmichael, I.S.E., Becker, T.A. and Renne, P.R., 1995. Pliocene-Quaternary volcanism and faulting at the intersection of the Gulf of California and the Mexican Volcanic Belt. Geological Society of America Bulletin, 107: 612-626.

Semaw, S., Harris, J.W.K., Feibel, C.S., Mowbray, K.M., Renne, P.R., Bernor, R. and Fesseha, N., 1995. New results from the Plio-Pleistocene deposits of the Gona area during the 1994 field season.

Sharp, W.D., Holt, J.W., Renne, P.R., Turrin, B.D. and Kirschvink, J.L., 1995. Correlation of a 226 ± 7 ka paleomagnetic excursion in lavas from Mauna Kea, Hawaii with the Pringle Falls Excursion. EOS, Transactions, American Geophysical Union (abstract), 76(46): F176.

Smith, M., Dunkley, P.N., Deino, A., Williams, L.A.J. and McCall, G.J.H., 1995. Geochronology, stratigraphy and structural evolution of Silali volcano, Gregory Rift, Kenya. Journal of the Geological Society of London, 152(Part 2): 297-310.

Snyder, G.L., Siems, D.F., Grossman, J.N., Ludwig, K.R. and Nealy, L.D., 1995. Geological map, petrochemistry, and geochronology of the Precambrian rocks of the Flethcher Park Johnson Moutain area, Albany and Platte Counties, Wyoming, U.S. Geological Survey Miscellaneous Investigations Series Map I-2233.

Stanley, R.G., Pawlewicz, M.J., Vork, D.R., Johnson, S.Y., Valin, Z.C., Johnson, S.Y., Swisher, C.C., III , Mason, M.A., Obradovich, J.D., Cotton, M.L., Filewicz, M.V., Schneider, J. and Fisher, R.V., 1995. Petroleum source potential and thermal maturity of the Lospe Formation (lower Miocene) near Point Sal, onshore Santa Maria Basin, California. U.S. Geological Survey Bulletin.

Sugden, D.E., Marchant, D.R., Jr., N.P., Souchez, R.A., Denton, G.H., Swisher, C.C., III and Tison, J., 1995. Preservation of Miocene glacier ice in East Antartica. Nature, 376(6539): 412-414.

Swinehart, J.B., Jr., R.F.D. and Swisher, C.C., III, 1995. Geological map. U.S. Geological Survey, Morrill County, Nebraska.

Tobisch, O.T., Saleeby, J.B., Renne, P.R., McNulty, B. and Tong, W., 1995. Variations in deformation fields during development of a large volume magmatic arc, central Sierra Nevada, California. Geological Society of America Bulletin, 107: 148-166.

Vasconcelos, P.M., Renne, P.R., Becker, T.A. and Wenk, H.-R., 1995. Mechanisms and kinetics of radiogenic, atmospheric and nucleogenic argon release from cryptomelane during 40Ar/39Ar analysis. Geochimica et Cosmochimica Acta, 59: 2057-2070.

Wenzel, T., Mertz, D.F., Mezger, K., OberhŠnsli, R. and Renne, P.R., 1995. Phlogopite bearing lamprophyres of the Meissen Massif, Germany: evidence for different mantle sources. EUG abstracts.

WoldeGabriel, G., Renne, P.R., White, T.D., Suwa, G., Heinzelin, J.d., Hart, W.K. and Heiken, G., 1995. Age of Early Hominids. Nature, 376: 558-559.

Woodburne, M.O. and Swisher, C.C., III, 1995. Land Mammal High Resolution Geochronology, Intercontinental Overland Dispersals, Sea Level, Climate and Vicariance. In: W.A. Berggren, D.V. Kent, M.-P. Aubry and J. Hardenbol (Editors), Geochronology, Time Scales and Global Stratigraphic Correlation. Society of Economic Paleontologists and Mineralogists Special Publication, pp. 335-364.

1994

Assorgia, A., Chan, L.S., Deino, A.L., Garbarino, C., Montanari, A., Rizzo, R. and Tocco, R., 1994. (Miocene Columbus Project Ancona, Italy) Volcanogenic and paleomagnetic studies on the Cenozoic calc-alkalic eruptive sequence of Monte Furru (Bosa, mid-western Sardinia). Giornale di Geologia, 56: 17-29.

Becker, T.A., Sharp, W.D., Renne, R.R., Turrin, B.D., Page, W.D. and Wakabayashi, J., 1994. 40Ar/39Ar dating of young low K tholeiites: examples from northeast California, U.S.A., Eighth International Conference on Geochronology, Cosmochronology, and Isotope Geology. U. S. Geological Survey Circular, pp. 24.

Best, M.G., Christiansen, E.H., Deino, A.L. and Gromme, C.S., 1994. Indian peak caldera complex, White River narrows (Outflow Alley), the central Nevada caldera complex, and road log from Caliente to Austin, Nevada. OF 94-193, U.S. Geological Survey.

Bischoff, J.L., Ludwig, K., Garcia, J.F., Carbonell, E., Vaquero, M., Jr., T.W.S. and Jull, A.J.T., 1994. Dating of the basal Aurignacian sandwich at Abric Romani (Catalunya, Spain) by radiocarbon and uranium-series. Journal of Archeological Science, 21(4): 541-551.

Charrier, R., Wyss, A.R., Flynn, J.J., Swisher, C.C., III, Spichiger, S. and Zapata, F., 1994. Nuevos antecedentes estratigraficos y estructurales para las formaciones Coya-Machali y Abanico entre 33¡ (degrees) 50 (minutes) y 35¡ (degrees) Cordilleras Principal Chilena. Actas 7th Congr. Geol. Chileno, 2: 1316-1319.

Cunningham, C.G., Steven, T.A., Rowley, P.D., Naeser, C.W., Mehnert, H.H., Hedge, C.E., Ludwig, K.R. and Plumlee, G.S., 1994. Evolution of volcanic rocks and associated ore deposits in the Marysvale volcanic field, Utah. In: W.E. Elston (Editor), Economic Geology. special issue on volcanic centers as targets for mineral exploration. Economic Geology Publishing Company, Lancaster, PA, pp. 2003-2005.

Deino, A.L., 1994. Nine Hill Tuff Near Soda Springs, California. OF 94-193, U.S. Geological Survey.

Kimbrough, D.L., Mattinson, J.M., Renne, P.R. and Campbell, J.D., 1994. Middle and late Triassic time scale calibration of the Murihiku Supergroup, Southland, New Zealand, Eighth International Conference on Geochronology, Cosmochronology, and Isotope Geology. U. S. Geological Survey Circular, pp. 171.

Ludwig, K.R., Muhs, D.R., Simmons, K.R., Halley, R.B. and Shinn, E.A., 1994. Evidence for sea level close to the present at 80,000 yr BP from the Florida Keys and Bermuda (abstract). Geological Society of America Abstracts with Programs, 26(7): A237.

Ludwig, K.R. and Titterington, D.M., 1994. Calculation of 230Th/U isochrons, ages, and errors. Geochimica et Cosmochimica Acta, 58(22): 5031-5042.

Ludwig, K.R. and Titterington, D.M., 1994. A better approach to 230Th/U isochrons (abstract), Abstracts 8th International Conference Geochronology, Cosmochronology, Isotope Geology (ICOG 8). U. S. Geological Survey Circular 1107, pp. 199.

Montanari, A., Carey, S., Coccioni, R. and Deino, A., 1994. Early Miocene tephra in the Apennine pelagic sequence: An inferred Sardinian provenance and implications for western Mediterranean tectonics. Tectonics, 13: 1120-1134.

Moore, G., Marone, C., Carmichael, I.S.E. and Renne, P.R., 1994. Basaltic volcanism and extension near the intersection of the Sierra Madre volcanic province and the Mexican Volcanic Belt. Geological Society of America Bulletin, 106: 383-394.

Moore, J.G., Bryan, W.B. and Ludwig, K.R., 1994. Chaotic deposition by a giant wave, Molokai, Hawaii. Geological Society of America Bulletin, 106(7): 962-967.

Muhs, D.R., Ludwig, K.R., Simmons, K.R., Halley, R.B., Shinn, E.A. and Kindinger, J.L., 1994. High sea-stand recorded on the Bahamas during 110-120 ka. Geological Society of American Abstracts with Programs, 26(7): A514-A515.

Page, W.D. and Renne, P.R., 1994. 40Ar/39Ar dating of Quaternary basalt, western Modoc Plateau, northeastern California: implications to tectonics, Eighth International Conference on Geochronology, Cosmochronology, and Isotope Geology. U. S. Geological Survey Circular, pp. 240.

Renne, P.R., Deino, A.L., Walter, R.C., Turrin, B.D., Swisher, C.C., III, Becker, T.A., Curtis, G.H. and Sharp, W.D., 1994. Orbital turning of 40Ar/39Ar standards: the case of Fish Canyon sanidine, Eighth International Conference on Geochronology, Cosmochronology, and Isotope Geology. U. S. Geological Survey Circular, pp. 265.

Renne, P.R., Deino, A.L., Walter, R.C., Turrin, B.D., Swisher, C.C., III, Becker, T.A., Curtis, G.H., Sharp, W.D. and Jaouni, A., 1994. Intercalibration of astronomical and radioisotopic time. Geology, 22(9): 783-786.

Swisher, C.C., III, Curtis, G.H., Jacob, T., Getty, A.G., Suprijo, A. and Widiasmoro, 1994. Age of the Earliest Known Hominids in Java, Indonesia. Science, 263: 1118-1121.

Szabo, B.J., Kolesar, P.T., Riggs, A.C., Winograd, I.J. and Ludwig, K.R., 1994. Paleoclimatic inferences from a 120,000-yr calcite record of water-table fluctuation in Browns Room of Devils Hole, Nevada. Quaternary Research, 41(1): 59-69.

Szabo, B.J., Ludwig, K.R., Muhs, D.R. and Simmons, K.R., 1994. Thorium-230 Ages of Corals and Duration of the Last Interglacial Sea-Level High Stand On Oahu, Hawaii. Science, 266(5182): 93-96.

Szabo, B.J., Ludwig, K.R., Muhs, D.R. and Simmons, K.R., 1994. Age and duration of the last interglacial high sea stand on Oahu, Hawaii, determined by mass spectrometric uranium series dating of fossil corals. Geological Society of America Abstracts with Programs, 26(7): A514.

Teixeira, W., Renne, P.R., Bossi, J. and Campal, N., 1994. 40Ar/39Ar and Rb-Sr geochronology of the Proterozoic Uruguayan dike swarm, Uruguay, South America: tectonic significance, Eighth International Conference on Geochronology, Cosmochronology, and Isotope Geology. U. S. Geological Survey Circular, pp. 318.

Turrin, B.D., Donnelley-Nolan, J.M. and Jr., B.C.H., 1994. 40Ar/39Ar ages from the rhyolite of Alder Creek, California: Age of the Cobb Mountain Normal-Polarity Subchron Revisited. Geology, 22: 251-254.

Turrin, B.D., Donnelly-Nolan, J.M., Fleck, R.J., Champion, D.E., Becker, T.A., Curtis, G.H., Deino, A.L., Renne, P.R., Sharp, W.D. and Swisher, C.C., III, 1994. Proposal for a Quaternary 40Ar/39Ar dating standard, Eighth International Conference on Geochronology, Cosmochronology, and Isotope Geology. U. S. Geological Survey Circular, pp. 332.

Umhoefer, P.J., Dorsey, R.J. and Renne, P.R., 1994. Tectonics of the Pliocene Loreto Basin, Baja California Sur, Mexico, and evolution of the Gulf of California. Geology, 22: 649-652.

Vasconcelos, P.M., Brimhall, G.H., Becker, T.A. and Renne, P.R., 1994. 40Ar/39Ar analysis of supergene jarosite and alunite: Implications to the paleoweathering history of western US and west Africa. Geochimica et Cosmochimica Acta, 58: 401-420.

Vasconcelos, P.M., Renne, P.R., Becker, T.A. and Wenk, H.-R., 1994. Mechanisms and kinetics of atmospheric, radiogenic, and nucleogenic argon release from cryptomelane during 40Ar/39Ar analysis, Eighth International Conference on Geochronology, Cosmochronology, and Isotope Geology. U. S. Geological Survey Circular, pp. 332.

Vasconcelos, P.M., Renne, P.R., Brimhall, G.H. and Becker, T.A., 1994. Direct dating of weathering phenomena by 40Ar/39Ar and K/Ar analysis of supergene K-Mn Oxides. Geochimica et Cosmochimica Acta, 58: 1635-1665.

Vos, J.d., Sondaar, P. and Swisher, C.C., III, 1994. Dating Hominid Sites In Indonesia: discussion & reply. Science, 266(5191): 1726-1727.

Wakabayashi, J., Page, W.D., Renne, P.R., Sharp, W.D. and Becker, T.A., 1994. Plio-Pleistocene volcanic rocks and incision of the North Fork Feather River, California: tectonic implications, Eighth International Conference on Geochronology, Cosmochronology, and Isotope Geology. Geological Survey Circular, pp. 345.

WoldeGabriel, G., White, T.D., Suwa, G., Renne, P.R., Heinzelin, J.d., Hart, W. and Heiken, G., 1994. Ecological and temporal context of early pliocene hominids at Aramis, Ethiopia. Nature, 371: 330-333.

Wyss, A.R., Flynn, J.J., Norell, M.A., Swisher, C.C., III , Novacek, J.M., Mckenna, M.C. and Charrier, R., 1994. Palogene mammals from the Andes of central Chile: a preliminary taxonomic, biostratigraphic, and geochronologic assessment. American Museum of Natural HIstory, American Museum Novitates, pp. 31.