2009 Portland GSA Annual Meeting (18-21 October 2009)
Session No. 216 Tuesday, 20 October 2009
1:30 PM-5:30 PM, Oregon Convention Center: E146

T157. Obsidian from Magma to Artifact: Geological and Archaeological Perspectives (GSA Archaeological Geology Division; GSA Quaternary Geology and Geomorphology Division; Geochemical Society)

Ellery Frahm and Joshua Feinberg, Presiding
 Paper #Start Time
 1:30 PM Introductory Remarks
216-11:35 PM MICROSTRUCTURES IN OBSIDIAN: MANGA, Michael1, CASTRO, Jonathan M.2, RUST, Alison3, GONNERMANN, Helge4, WATKINS, Jim1, CASHMAN, Katharine5, and WENK, Rudy1, (1) Earth and Planetary Science, Univ of California, 307 McCone, Berkeley, CA 94720-4767, manga@seismo.berkeley.edu, (2) Department of Mineral Sciences, Smithsonian Institution, National Museum of Natural History, PO Box 37012, MRC 119, Washington, DC 20013-7012, (3) Earth Sciences, Univ Bristol, Bristol, BS8 1RJ, United Kingdom, (4) Department of Geology and Geophysics, SOEST, University of Hawaii, Honolulu, HI 96822, (5) Geological Sciences, University of Oregon, Eugene, OR 97403
216-21:50 PM WHAT CAN 3D X-RAY TOMOGRAPHY OF A PUMICE CLAST'S BUBBLE NETWORK AND CHEMICAL COMPOSITION TELL US ABOUT VOLCANIC ERUPTION DYNAMICS?: DAVIS, M.A.1, WALSH, S.D.C1, SAAR, M.O.1, and ROBERTS, J.J.2, (1) Department of Geology and Geophysics, University of Minnesota, 310 Pillsbury Dr. SE, Minneapolis, MN 55455, davis923@umn.edu, (2) Lawrence Livermore National Laboratory, 7000 East Avenue, Livermore, CA 94550
216-32:05 PM THE EXTREME RANGE OF ARGON ISOTOPE RATIOS IN OBSIDIAN: RENNE, Paul R., Department of Earth and Planetary Science, University of California at Berkeley, and Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709, prenne@bgc.org, MORGAN, Leah E., Earth & Planetary Science, University of California, Berkeley, 307 McCone Hall #4767, Berkeley, CA 94720, and CASSATA, William S., Earth and Planetary Science, University of California, 307 McCone Hall #4767, Berkeley, CA 94720
216-42:20 PM EXPLORING GLASS AND MINERAL COMPONENTS OF OBSIDIAN WITH ELECTRON MICROPROBE ANALYSIS AND THE IMPLICATIONS FOR ARCHAEOLOGICAL SOURCING AND DATING (OR: TREATING OBSIDIAN LIKE THE MIXTURE IT IS): FRAHM, Ellery, Geology and Geophysics, University of Minnesota, 108 Pillsbury Hall, 310 Pillsbury Drive SE, Minneapolis, MN 55455, frah0010@umn.edu
216-52:35 PM PETROLOGIC MODEL OF SHIRATAKI OBSIDIAN, NORTHERN HOKKAIDO, JAPAN; ITS STRUCTURE, COMPOSITION AND THE ORIGIN: WADA, Keiji, Earth Science Lab, Hokkaido University of Education, Hokumon-cho 9, Asahikawa 070-8621 Japan, wada@asa.hokkyodai.ac.jp
 2:50 PM Discussion
216-62:55 PM GEOARCHAEOLOGICAL PROVENANCE STUDIES: PAST AND FUTURE: SHACKLEY, M. Steven, Anthropology, University of California, Berkeley, 232 Kroeber Hall, University of California, Berkeley, CA 94720-3710, shackley@berkeley.edu
216-73:10 PM OBSIDIAN SOURCING IN PHILIPPINE ARCHAEOLOGY: NERI, Leee Anthony M.1, FERGUSON, Jeffrey R.2, and GLASCOCK, Michael D.2, (1) Archaeological Studies Program, University of the Philippines, Palma Hall Basement, University of the Philippines, Diliman, Quezon City, 1101, Philippines, leee_anthony.neri@up.edu.ph, (2) Research Reactor Center, Univ of Missouri, Research Park, Columbia, MO 65211
216-83:25 PM PROVENANCE OF OBSIDIAN FRAGMENTS RECOVERED FROM ADAK ISLAND, CENTRAL ALEUTIAN ISLANDS: EVIDENCE FOR LONG-DISTANCE TRANSPORT: NICOLAYSEN, Kirsten P., Department of Geology, Whitman College, 345 Boyer AVE, Walla Walla, WA 99362, nicolakp@whitman.edu, WEST, Dixie, Natural History Museum, University of Kansas, Lawrence, KS 66045, and JOHNSON, Taylor, Whitman College, Walla Walla, WA 99362
216-93:40 PM PROVENANCE STUDIES ON OBSIDIAN ARTIFACTS FROM EARLY NEOLITHIC IRAN: GLASCOCK, Michael D., Research Reactor Center, Univ of Missouri, 1513 Research Park Drive, Columbia, MO 65211, GlascockM@missouri.edu
216-103:55 PM GEOCHEMICAL ANALYSES OF OBSIDIAN SOURCES IN THE SOUTHERN RED SEA REGION AND THEIR IMPLICATIONS FOR EXCHANGE MECHANISMS IN PREHISTORY: KHALIDI, Lamya1, GRATUZE, Bernard2, OPPENHEIMER, Clive3, and BOUCETTA, Sophie2, (1) Centre d'Etude Préhistoire, Antiquité, Moyen Age (CEPAM – UMR 6130 – CNRS), Université de Nice, Sophia-Antipolis (UNSA), 250 rue Albert Einstein, Sophia-Antipolis, Valbonne, 06560, France, lamya.khalidi@gmail.com, (2) Institut de Recherche sur les ArchéoMATériaux (IRAMAT), UMR 5060, CNRS, Université d' Orléans, Centre Ernest-Babelon, 3 D rue de la Férollerie, Orléans, Cedex, 45071, France, (3) Department of Geography, University of Cambridge, Downing Place, Cambridge, CB2 3EN, United Kingdom
216-114:10 PM 50 YEARS OF OBSIDIAN SOURCING STUDIES: SUCCESSES, FAILURES AND FUTURE DIRECTIONS: CARTER, Tristan, Department of Anthropology, McMaster University, Chester New Hall Rm. 524, 1280 Main Street West, Hamilton, ON L8S 4L9 Canada, stringy@mcmaster.ca
 4:25 PM Discussion
216-124:30 PM A DATABASE OF OBSIDIAN MAGNETIC PROPERTIES FOR ARCHAEOLOGICAL SOURCING: FEINBERG, Joshua M., Institute for Rock Magnetism, Department of Geology and Geophysics, University of Minnesota, 310 Pillsbury Drive SE, Minneapolis, MN 55455-0219, feinberg@umn.edu, JOHNSON, Charissa, Department of Geology and Geophysics, University of Minnesota, 310 Pillsbury Drive SE, Minneapolis, MN 55455-0219, and FRAHM, Ellery, Geology and Geophysics, University of Minnesota, 108 Pillsbury Hall, 310 Pillsbury Drive SE, Minneapolis, MN 55455
216-134:45 PM WATER IN ANATOLIAN OBSIDIAN: FACTORS INFLUENCING HYDROUS SPECIES CONCENTRATIONS WITH IMPLICATIONS FOR SOURCING AND DATING OF ARTIFACTS: CONDE, Giselle D., Department of Geology, University of Wisconsin-Eau Claire, 105 Garfield Ave, Eau Claire, 54702, condeg@uwec.edu, IHINGER, Phillip, Department of Geology, University of Wisconsin- Eau Claire, 105 Garfield Ave, Eau Claire, WI 54702, and FRAHM, Ellery, Geology and Geophysics, University of Minnesota, 108 Pillsbury Hall, 310 Pillsbury Drive SE, Minneapolis, MN 55455
216-145:00 PM MECHANISMS OF GLASS HYDRATION AND A PRELIMINARY INVESTIGATION OF ODDSIMS DATING OF OBSIDIAN ARTIFACTS FROM ÇATALHöYüK, TURKEY: ANOVITZ, Lawrence, Measurement Science and Systems Engineering Division, Oak Ridge National Laboratory, MS 6110, P.O. Box 2008, Bldg. 4500S, Oak Ridge, TN 37831, anovitzlm@ornl.gov, FAYEK, Mostafa, Geological Sciences, Univ. Manitoba, 240 Wallace Bldg, Winnipeg, MB R3T2N2, Canada, CARTER, Tristan, Department of Anthropology, McMaster University, Chester New Hall Rm. 524, 1280 Main Street West, Hamilton, ON L8S 4L9, Canada, HUNTER, Jerry, Nanoscale Characterization and Fabrication Laboratory, Virginia Tech, ICTAS, Blacksburg, VA 24061, and COLE, David R., Chemical Sciences Division, Oak Ridge National Lab, 1 Bethel Valley Rd, Oak Ridge, TN 37831-6110
216-155:15 PM PROVENANCE DETERMINATION OF CALIFORNIA OBSIDIAN SOURCES BY LASER-INDUCED BREAKDOWN SPECTROSCOPY: HARMON, Russell S., Army Research Office, PO Box 12211, Research Triangle Park, Research Triangle Park, NC 27709, russell.harmon@us.army.mil, GOTTFRIED, Jennifer L., US Army Research Laboratory, Aberdeen Proving Ground, MD 21005-5069, REMUS, Jeremiah, Electrical & Computer Engineering, Duke University, Durham, NC 27708, BARON, Dirk, Department of Physics and Geology, California State University, Bakersfield, CA 93311, DRAUCKER, Anne, Department of Physics & Geology, California State University - Bakersfield, Bakersfield, CA 93311, and YOHE, Robert, Department of Sociology & Anthropology, California State University - Bakersfield, Bakersfield, CA 93311

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