CALL FOR PROPOSALS:

ORGANIZERS

  • Harvey Thorleifson, Chair
    Minnesota Geological Survey
  • Carrie Jennings, Vice Chair
    Minnesota Geological Survey
  • David Bush, Technical Program Chair
    University of West Georgia
  • Jim Miller, Field Trip Chair
    University of Minnesota Duluth
  • Curtis M. Hudak, Sponsorship Chair
    Foth Infrastructure & Environment, LLC

 

Session No. 272
Wednesday, 12 October 2011: 1:30 PM-5:30 PM
Room 101FG (Minneapolis Convention Center)

T25. Recent Advances in Studies of Large-Volume Silicic Volcanism: Stratigraphy, Architecture, Evolution

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Structural Geology and Tectonics Division; Mineralogical Society of America

 

Graham D.M. Andrews, Matthew E. Brueseke and Ben Ellis, Advocates
Paper #
Start Time
1
1:30 PM
GEODYNAMIC SIGNIFICANCE OF LARGE VOLUME SILICIC VOLCANISM IN THE TRANS-MEXICAN VOLCANIC BELT
FERRARI, Luca1, OROZCO, Maria Teresa1, PETRONE, Chiara Maria2 and LÓPEZ MARTÍNEZ, Margarita3, (1)Centro de Geociencias, Universidad Nacional Autonoma de Mexico, Campus Juriquilla, Blvd. Juriquilla 3001, Queretaro, 76230, Mexico, (2)Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge, CB2 3EQ, United Kingdom, (3)Geology Department, Earth Sciences Division, CICESE, Km. 107 carr. Tijuana-Ensenada, Ensenada, B.C, 22860, Mexico, luca@geociencias.unam.mx, luca@geociencias.unam.mx
2
1:50 PM
AFRO-ARABIAN OLIGOCENE FLOOD VOLCANIC STRATIGRAPHY AND EXTREME GEOCHEMICAL HETEROGENEITY: INSIGHTS INTO EVOLUTION OF VOLUMINOUS SILICIC PYROCLASTIC ERUPTIONS
UKSTINS PEATE, Ingrid, Dept. of Geoscience, University of Iowa, 121 Trowbridge Hall, Iowa City, IA 52242, Ingrid-Peate@uiowa.edu, Ingrid-Peate@uiowa.edu
3
2:10 PM
4
2:25 PM
GEOPHYSICAL IMAGING OF THE SAN JUAN MOUNTAINS BATHOLITH COMPLEX, SOUTHWESTERN COLORADO
DRENTH, Benjamin J., U.S. Geological Survey, MS 964 Denver Federal Center, Denver, CO 80225, KELLER, G. Randy, School of Geology and Geophysics, University of Oklahoma, Norman, OK 73019 and THOMPSON, Ren A., U.S. Geological Survey, Box 25046, DFC, MS 980, Denver, CO 80225, bdrenth@usgs.gov, bdrenth@usgs.gov
5
2:40 PM
THREE RIVERS STOCK AND PALISADES TUFF: CORRELATING INTRUSIVE SOURCE WITH IGNIMBRITE SHEET IN THE TECTONICALLY DISRUPTED SIERRA BLANCA IGNEOUS COMPLEX, NEW MEXICO
GOFF, Fraser, Earth and Planetary Sciences Dept, University of New Mexico, Albuquerque, NM 87131, DUNBAR, Nelia, Bureau of Geology, New Mexico Institution of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, KELLEY, Shari A., New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, Socorro, NM 87801, PETERS, Lisa, New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, MCINTOSH, William, New Mexico Bureau of Geology and Mineral Resources, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801, HEIZLER, Lynn L., New Mexico Bureau of Geology, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801 and GOFF, Cathy J., Private Consultant, 5515 Quemazon, Los Alamos, NM 87544, candf@swcp.com, candf@swcp.com
6
2:55 PM
DEVELOPMENT, EVOLUTION AND TRIGGERING OF SUPERERUPTIONS
GREGG, Patricia M., College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, 104 Wilkinson Hall, Corvallis, OR 97331, DE SILVA, Shanaka, College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, 104 CEOAS Admin. Bldg, Corvallis, OR 97331, GROSFILS, Eric B., Geology Department, Pomona College, 185 E. 6th Street, Rm. 232, Claremont, CA 91711 and PARMIGIANI, John P., School of Mechanical, Industrial, and Manufacturing Engineering, Oregon State University, 204 Rogers Hall, Corvallis, OR 97331, desilvas@geo.oregonstate.edu, desilvas@geo.oregonstate.edu
7
3:10 PM
9000-YEAR-OLD ZIRCONS FROM THE LARGE-VOLUME MILLENNIUM ERUPTION OF CHANGBAISHAN VOLCANO: EVIDENCE FOR RAPID MAGMA DEVELOPMENT
ZOU, Haibo, Department of Geosciences, Auburn University, 210 Petrie Hall, Auburn, AL 36849, FAN, Qicheng, Institute of Geology, Chinese Earthquake Administration, Beijing, 100029, China and ZHANG, Hongfu, State Key Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, 100029, China, haibo.zou@auburn.edu, haibo.zou@auburn.edu
 
3:25 PM
Break
8
3:40 PM
VOLUMINOUS A-TYPE RHYOLITES WITHIN A MAJOR, LARGELY BURIED CAMBRIAN RIFT ZONE IN SOUTHERN OKLAHOMA
HANSON, Richard E.1, PUCKETT Jr., Robert E.2, BURKHOLDER, Barbara K.3, ESCHBERGER, Amy M.4, FINEGAN, Shane A.5, FRAZIER, Stephen J.1, MCCLEERY, David A.1, PHILIPS, Christine M.6 and POLLARD, Julie B.7, (1)School of Geology, Energy and the Environment, Texas Christian University, Fort Worth, TX 76129, (2)12700 Arrowhead Lane, Oklahoma City, OK 73120, (3)St. Anthony Falls Laboratory, University of Minnesota, Minneapolis, MN 55414, (4)Division of Reclamation, Mining and Safety, Colorado Department of Natural Resources, Denver, CO 80203, (5)XTO Energy, Inc, 810 Houston St, Fort Worth, TX 76102, (6)1502 Waltham Ct, Arlington, TX 76012, (7)Watauga Middle School, 6300 Maurie Drive, Watauga, TX 76148, r.hanson@tcu.edu, r.hanson@tcu.edu
9
4:00 PM
WIDESPREAD MID-MIOCENE SILICIC VOLCANISM CONTEMPORANEOUS WITH COLUMBIA RIVER FLOOD BASALTS IN THE WESTERN USA
COBLE, Matthew A., Department of Geological Sciences, Stanford University, Stanford, CA 94305 and MAHOOD, Gail A., Department of Geological and Environmental Sciences, Stanford University, Stanford, CA 94305, coblem@stanford.edu, coblem@stanford.edu
10
4:15 PM
11
4:30 PM
A NEW MODEL FOR LARGE-VOLUME LOW δ18O SILICIC MAGMATISM? INSIGHTS FROM ZIRCONS OF THE COUGAR POINT TUFF
CATHEY, Henrietta E.1, NASH, Barbara P.1, VALLEY, John W.2, KITA, Noriko T.3, ALLEN, Charlotte M.4 and CAMPBELL, Ian H.4, (1)Department of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112, (2)Department of Geoscience, University of Wisconsin, Madison, WI 53706, (3)Department of Geoscience, University of Wisconsin, 1215 W Dayton St, Madison, WI 53706, (4)Research School of Earth Sciences, Australian National Univ, Canberra, 0200, Australia, h.cathey@utah.edu, h.cathey@utah.edu
12
4:45 PM
O RHYOLITE PRODUCTION IN THE CENTRAL SNAKE RIVER PLAIN
BOROUGHS, Scott, WOLFF, J.a., ELLIS, Ben, BONNICHSEN, Bill and LARSON, Peter B., School of Earth & Environmental Sciences, Washington State University, Pullman, WA 99164, geoentoptics@gmail.com, geoentoptics@gmail.com
13
5:00 PM
NEW HIGH PRECISION 40Ar/39Ar MEASUREMENTS OF THE HUCKLEBERRY RIDGE TUFF: MEMBER C - A CALDERA-FORMING, POST-CALDERA RHYOLITE, YELLOWSTONE, WY, USA
PRITCHARD, Chad J., Department of Geology, Eastern Washington University, 130 Science Building, Cheney, WA 99004-2439, ELLIS, Ben, Institute of Geochemistry and Petrology, Department of Earth Sciences, ETH Zurich, Clausiusstrasse 25, Zürich, 8092, Switzerland, LARSON, Peter B., School of the Environment, Washington State University, Pullman, WA 99164 and MARK, Darren F., Scottish Universities Environmental Research Centre, (SUERC), Rankine Avenue, East Kilbride, G75 0QF, United Kingdom, cpritchard@ewu.edu, cpritchard@ewu.edu
14
5:15 PM
OBSIDIAN DOME, CALIFORNIA: A COMPLEX RECORD OF EMPLACEMENT OF A YOUTHFUL LAVA DOME
KINGSBURY, Cole G.1, FOWLER, A.D.2 and DENIS, D.2, (1)Department of Earth Sciences, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada, (2)Department of Earth Science, University of Ottawa, 140 Louis Pasteur, Ottawa, ON K1N 6N5, Canada, cole_kingsbury@carleton.ca, cole_kingsbury@carleton.ca
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