Publications
Recent Publications, Presentations at Meetings, Theses
Publications
Gathogo, P. N., Brown, F. H., and McDougall, I., 2008. Stratigraphy of the Koobi Fora Formation (Pliocene and Pleistocene) in the Loiyangalani region of northern Kenya. Journal of African Earth Sciences 51, 277-297.
Fleagle, J. G., Assefa, Z., Brown, F. H., and Shea, J., 2008. Paleoanthropology of the Kibish Formation, Southern Ethiopia: Introduction. Journal of Human Evolution 55, 360-365.
Brown, F. H., and Fuller, C. R., 2008. Stratigraphy and tephra of the Kibish Formation, southwestern Ethiopia. Journal of Human Evolution 55, 366-403.
Miller, David M., Oviatt, C. G., and Nash, Barbara P., 2008, Late Pleistocene Hansel Valley basaltic ash, northern Lake Bonneville, Utah, U.S.A. Quaternary International, v. 178, 238-245. doi:10.1016/j.quaint.2007.03.016.
Wallace, A.R., Perkins, M.E., and Fleck, R.J., 2008. Late Cenozoic paleogeographic evolution of northeastern Nevada: Evidence from the sedimentary basins. Geosphere, 4, 36-74; doi: 10.1130/GES00114.1
Brown, F. H., Reid, C., and Negash, A., 2009. Possible isotopic fractionation of argon in source obsidians and archeological artifacts from Kulkuletti, Ethiopia. Journal of Archaeological Science 36, 2119-2124.
Parry, William T., Chan, Marjorie A., and Nash, Barbara P., 2009. Petrographic and diagenetic characteristics of the Jurassic Navajo Sandstone in the Covenant oil field, central Utah thrust belt. American Association of Petroleum Geologists Bulletin, 93, 1039-1061.
McDougall, I., and Brown, F. H., 2009. Timing of volcanism and evolution of the northern Kenya Rift. Geological Magazine, 146, 34-47.
Cathey, Henrietta E. and Nash, Barbara P., 2009. Pyroxene thermometry of rhyolite lavas of the Bruneau-Jarbidge volcanic center, central Snake River Plain. Journal of Volcanology and Geothermal Research, 188, 173-185. DOI: 10.1016/j.jvolgeores.2009.05.024.
Bruhn, R. L., Brown, F. H., Gathogo, P. N., and Haileab, B., 2010. Pliocene volcano-tectonics and paleogeography of the Turkana Basin, Kenya and Ethiopia. Journal of African Earth Sciences, 59, 295-312.
Kampf, A., Hughes, J., Marty, J., Gunter, M., and Nash, B., 2011. Rakovanite. IMA 2011. CNMNC Newsletter, Mineralogical Magazine, v. 75 (in press).
Kampf, A., Hughes, J., Marty, J., and Nash, B., 2011. Gunterite. IMA 2011-011. CNMNC Newsletter, Mineralogical Magazine, v. 75 (in press).
Kampf, A., Hughes, J., Marty, J., Gunter, M., and Nash, B., 2011. Rakovanite, Na3{H3[V10O28]}·15H2O, a new member of the pascoite family with a protonated decavanadate polyanion. Canadian Mineralogist, 49, 595-604. DOI : 10.3749/canmin.49.2.595.
Kuehn, S.C., Froese, D.G., Shane, P.A.R., 2011. The INTAV intercomparison of electron-beam microanalysis of glass by tephrochronology laboratories: results and recommendations. Quaternary International (in press).
Nash, Barbara P., Merrick, H.V., and Brown, F.H., 2011. Obsidian types from Holocene sites around Lake Turkana and other localities in northern Kenya. Journal of Archeological Science, 38 (in press, on line Feb. 12) doi:10.1016/j.jas.2011.02.001110.
Negash, A., Brown, F. H., Nash, B. P., 2011. Varieties and sources of artifactual obsidian in the Middle Stone Age of the Middle Awash, Ethiopia. Archeometry, 53, (in press).
Negash, A., Mulugeta, A., Brown, F. H., Nash, B. P., 2011. Provenance of Middle Stone Age (MSA) obsidian artifacts from the Central Rift Valley, Ethiopia. SINET: Ethiopian Journal of Science (in press).
Brown, F. H., and McDougall, I., 2011. Geochronology of the Turkana Depression, Kenya and Ethiopia. Evolutionary Anthropology (in press).
Rakovan, J., Gunter, M., Marty, J., Nash, B., Schmidt, G., and Wise, W., 2011. Hughesite. IMA 2009-035a. CNMNC Newsletter, Mineralogical Magazine, 75, (in press).
Brown, F. H., McDougall, I., and Gathogo, P. N., 2011. Age ranges of Australopithecus species, Kenya and Ethiopia. Vertebrate Paleobiology and Paleoanthropology, E. Delson and R. MacPhee, eds. (in press).
Hynek, S.A., Marchetti, D.W., Fernandez, D.P. and Cerling, T.E., 2011. Composition, pre-eruptive zonation, and geochronologic significance of the ~450 ka Diamante Tuff, Andean Cordillera (34°S), Argentina. Quaternary Geochronology (in press).
Kampf, A., Hughes, J., Marty, J., Rakovan, J., and Nash, B., Gunterite, Na4(H2O)16(H2V10O28)·6H2O, a new mineral with a doubly-protonated decavanadate polyanion: crystal structure and descriptive mineralogy. Canadian Mineralogist (in press).
Kampf, A., Hughes, J., Marty, J., and Nash, B., Postite. IMA 2012. CNMNC Newsletter, Mineralogical Magazine, v. 76 (in press).
McDougall, I., Brown, F.H., Vasconcelos, P. M., Cohen, B. E., Thiede, D. S., and Buchanan, M. J. New single crystal 40Ar/39Ar ages improve timescale for deposition of the Omo Group, Omo-Turkana Basin, East Africa. Geological Magazine (submitted).
Kampf, A., Hughes, J., Marty, J., and Nash, B. Postite, Mg(H2O)6Al2(OH)2(H2O)8(V10O28)·13H2O, a new mineral from the La Sal mining district, Utah: crystal structure and descriptive mineralogy. Canadian Mineralogist (submitted).
Kampf, A., Hughes, J., Marty, J., and Brown, F., 2012, Nashite. IMA 2012. CNMNC Newsletter, Mineralogical Magazine, v. 76 (submitted).
Rakovan, J., Schmidt, G., Gunter, M., Nash, B., Marty, J., Kampf, A., and Wise, W., 2011. Hughesite, Na3Al(V10O28)·22H2O, a new member of the pascoite family of minerals from the Sunday Mine, San Miguel County, Colorado. The Canadian Mineralogist, 49 (in press).
Kampt, A., Nash, B, and Loomis, T., 2012, Phosphovanadylite-Ca. IMA 2012. CNMNC Newsletter, Mineralogical Magazine, v. 76 (submitted).
Fleagle, J., Perkins, M., Heitzler, M., Tauber, A., Dozo, M., Tejedor, M., Bown, T., and Nash, B., 2012. Tephrochronology and paleontology of the Santa Cruz and Pinturas Formations. In Vizcaino, S., Kay, R., and Bargo, M. S., (Eds.), Early Miocene Paleobiology in Patagonia: high-latitude paleocommunities of the Santa Cruz Formation. Cambridge University Pres (in press).
Almeev, R., Bolte, T., Nash, B., Holtz, F., Erdman, M., and Cathey, H., 2012. High-temperature, low H2O silicic magmas of the Yellowstone hotspot: an experimental study of rhyolite from the Bruneau-Jarbidge eruptive center. Journal of Petrology (submitted).
Presentations at Meetings
Almeev, Renat, Kuschel, L., Holtz, F., Cathey, H., Nash, B., Koepke, J., Shervais, J., and Christiansen, E., 2008. Crystallization conditions of the basaltic and rhyolitic melts of the Snake River Plain - Yellowstone hotspot track: first experimental results and implications. Joint ICDP/IODP Meeting, Hannover, Germany, March 2008.
Cathey, Henrietta E., Nash, Barbara P., Allen, Charlotte, Campbell, Ian, Valley, John W., Kita, Noriko, 2008. U-Pb zircon geochronology and Ti-in zircon thermometry of large-volume low δ18O magmas of the Miocene Yellowstone hotspot. 18th Annual Goldschmidt Conference, Vancouver, B.C., July 2008.
Almeev, R.,Kuschel, L., Holtz, F., Cathey, H., and Nash, B., 2008. Pre-eruptive conditions of the Bruneau-Jarbidge rhyolite, Snake River Plain - Yellowstone hotspot track: first experimental results. International Association of Volcanology and Chemistry of the Earths Interior (IAVCEI). 2008 General Assembly, Iceland.
Almeev, R., Kuschel, L., Holtz, F., Cathey, H., and Nash, B., 2009. Pre-eruptive conditions of the Bruneau-Jarbidge rhyolite, Snake River Plain - Yellowstone hotspot track. Joint ICDP/IODP Meeting, Potsdam, Germany, March 2009.
Almeev, R., Holtz, F., Cathey, H., and Nash, B., 2009. Pre-eruptive conditions of the Bruneau-Jarbidge rhyolite, Snake River Plain - Yellowstone hotspot track. 19th Annual Goldschmidt Conference, Davos, Switzerland, July, 2009.
Cathey, H. E., Nash, B. P., Allen, .M., Campbell, I.H., Valley, J.W., and Kita, N., 2009. Evolution of low δ18O magmas at the Bruneau-Jarbidge eruptive center: evidence from oxygen isotopic zoning in zircons, U-Pb zircon crystallization ages, and mineral thermometry of the Cougar Point Tuff. Geol. Soc. Amer. Penrose Conference. Low δ18O rhyolites and crustal melting: Growth and redistribution of the continental crust.
Ekdale, A.A., & Harding, S.C., 2009. Green ichnology: characteristic ichnofabrics and ichnofacies in glauconitic greensand deposits: Tenth International Ichnofabric Workshop, Jiaozuo City, Henan Province, China.
Harding, S.C., & Ekdale, A.A., 2009. Trace fossils in the green zone: ichnologic, sedimentologic and sequence stratigraphic implications of glaucony-rich greensands (Eocene, Texas): Geol. Soc. Amer. Annual Meeting, Portland, OR.
Harding, S.C., & Ekdale, A.A., 2009, Trace fossils in the green zone: ichnology and sedimentology of Cambrian glauconitic greensands: AAPG Ann. Mtg., Denver, CO.
Hynek, S., Marchetti, D., Fernandez, D., and Cerling, T., 2009. Geomorphic history of rivers draining the eastern Andean Cordillera (34°-37°S) constrained by tephrochronology, U-series dating of pedogenic carbonate and cosmogenic 3He dating of basalt flows. Geol. Soc. Amer. Annual Meeting. Paper No. 81-9.
Johnson, Benjamin W,, Bowman, J. R., Nash, B.P., Valley, J., and Bartley, J., 2009. Oxygen isotope, TitanQ, and cathodoluminesence analyses of the Alta Stock, UT: preliminary insights into pluton assembly. American Geophysical Union Spring Meeting, Toronto, May 2009.
Nash, B. P., Cathey, H E., Valley, J., Allen, C., Almeev, R. and Holtz, F. 2009. Constraints on rhyolite magma genesis, Yellowstone hotspot: evidence from mineral thermometry, oxygen isotopes, and U-Th-Pb zircon geochronology. Joint ICDP/IODP Meeting, Potsdam, Germany, March 2009 (invited paper).
Nash, B., Cathey, H., Almeev, R., and Holtz, F., 2009. The Bruneau-Jarbidge eruptive center: composition, thermometry, isotopes and P-T-X phase equilibria. Geol. Soc. Amer. Penrose Conference. Low δ18O rhyolites and crustal melting: Growth and redistribution of the continental crust. Invited presentation. September 10, 2009.
Johnson, Benjamin W,, Bowman, J. R., Nash, B.P., Valley, J., and Bartley, J., 2009. TitaniQ, cathodoluminescence, and oxygen isotope analysis of the Alta Stock, UT: geochemical insights into pluton assembly. Geol. Soc. Amer. Ann. Meet. October 18, 2009.
Nash, B. P., Cathey, H. E., Allen, C. M., and Campbell, I. H., 2010. Analysis of trace elements in glass and pyroxene by LA-ICP-MS: results from rhyolitic ashfall and ashflow tuffs of the Bruneau-Jarbidge eruptive center, Yellowstone hotspot track. 20th Annual Goldschmidt Conference, Tennessee, USA, 2009.
Nash, B. P., Cathey, H. E., Allen, C. M., and Campbell, I. H., 2010. Composition of glass from high-temperature rhyolite of the Snake River Plain-Yellowstone hotspot track: implications for crustal melting. EOS, Transactions of the American Geophysical Union, v. 91.
Perkins, M. E., Miller, D. M., Felger, T. J., Oviatt, C. G., and Willis, G. C., 2011. Identification and timing of events in Miocene basins of the Grouse Creek Mountains region of Utah, Nevada and Idaho: input from tephrochronology. Geol. Soc. Amer., Rocky Mountain-Cordilleran Joint Meeting, Paper 8-12.
Bolte, T., Nash, B. P., Almeev, R., Holtz, F., and Shervais, J., 2011. Evolution of magma storage conditions along the track of Yellowstone Hotspot: investigation of the volcanic rocks from the Snake River Plain. Joint ICDP/IODP Meeting, Potsdam, Germany, March 2011.
Harding, Sherie C. & Ekdale, A.A., 2011. Ichnofabric of a pelletal greensand in a transgressive systems tract, Middle Eocene, Texas, US. Eleventh International Ichnofabric Workshop, Colunga, Asturias, Spain.
Seligman. A., Nash, B., Cathey, H., Valley, J., Vazquez, J. and Wooden, J., 2011. Oxygen isotopes and U-Th-Pb dating of zircons from post-Cougar Point Tuff lavas of the Bruneau-Jarbidge eruptive center of the Yellowstone hotspot. 7th Biennial Workshop on Japan-Kamchatka-Alaska Subduction Processes: Mitigating Risk through International Volcano, Earthquake, and Tsunami Science. Petropavlovsk-Kamchatsky, Russia, August 25-30.
Cathey, H., Nash, B., Valley, J. Kita, N., Allen, C., and Campbell, I., 2011. A new model for large-volume low δ18O silicic magmas? Insights from zircons of the Cougar Point Tuff. Geological Society of America Annual Meeting, Abstracts with Programs, v. 44.
Bolte, T., Erdmann, M., Nash, B., Cathey, H., Almeev, R., and Holtz, F., 2011. Preliminary estimates on magma storage conditions of the Heise volcanic field, Snake River Plain. Goldschmidt Conference, Prague.
Cathey, H., Nash, B., Seligman, A., Valley, J. Kita, N., Allen, C., Campbell, I., Vazquez, J., and Wooden, J., 2011. Low δ18O zircons from the Bruneau-Jarbidge eruptive center: a key to crustal anatexis along the track of the Yellowstone hotspot. EOS, Transactions of the American Geophysical Union, v. 92.
Theses
Stearns, Michael: 2009 (J. Bartley)
Szabo, Jennifer: 2009 (E. U. Petersen)
Gathogo, Patrick: Ph. D., 2009 (F. H. Brown)
Rheubottom, Amber: M.S., 2009 (E. U. Petersen)
Brown, Anita: M.S., 2010 (E. U. Petersen)
Buchanan, Michael, M.S. 2010 (F. H. Brown)
Guo, Jun: Ph. D. 2010. Dept. Metallurgical Engineering (Zack Fang)
Rogers, Orion: M.S., 2010 (F. H. Brown)
Johnson, Benjamin, M.S., 2010 (J. R. Bowman)
Hynek, Scott: Ph.D., 2011 (F. H. Brown)
Harding, Sherie, Ph. D. in progress (A. A. Ekdale)
Seligman, Angela, M.S. 2011 (B. P. Nash)
Keeley, Joshua: M.S. in progress, Dept. Geology, Idaho State University
Karmakar, M. A., Ph.D. in progress. Dept. Electrical Engineering and Computer Science (Michael Scarpulla)
Bhatia, Ashish, Ph. D. in progress. Dept. Electrical Engineering and Computer Science (Michael Scarpulla)
Kidney, Casey: M.S. in progress (F. H. Brown)
Moore-Roth, Maureen: M.S. Geology in progress, New Mexico Tech
Current Faculty Users
John Bowman, Dept. Geology & Geophysics
Frank Brown, Dept. Geology & Geophysics
Andrea Brunell, Dept. Geography
Henrietta Cathey, Dept. Geology & Geophysics
Thure Cerling, Dept. Geology & Geophysics
Tony Ekdale, Dept. Geology & Geophysics
Zak Fang, Dept. Metallurgical Engineering
Michael Moats, Dept. Metallurgical Engineering
Barbara Nash, Dept. Geology & Geophysics
Michael Perkins, Dept. Geology & Geophysics
Erich Petersen, Dept. Geology & Geophysics
Michael Scarpulla, Dept. Electrical Engineering and Computer Science