2007 GSA Denver Annual Meeting (28–31 October 2007)

Session No. 169
Tuesday, 30 October 2007: 1:30 PM-5:30 PM

T117. The Track of the Yellowstone Hot Spot II: What do Neotectonics, Climate Indicators, Volcanism, and Petrogenesis Reveal about Subsurface Processes?

U.S. Geological Survey

 

Lisa A. Morgan, Kenneth L. Pierce and Henrietta E. Cathey, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1
1:35 PM
MANTLE SOURCE PROVINCES BENEATH THE PACIFIC NORTHWEST REVEALED BY HELIUM ISOTOPE VARIATIONS IN BASALTIC LAVAS
GRAHAM, D.W., College of Oceanic & Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, REID, M.R., Department of Geology, Northern Arizona University, Flagstaff, AZ 86011, JORDAN, B.T., Department of Earth Sciences, University of South Dakota, Vermillion, SD 57069, GRUNDER, A.L., Department of Geosciences, Oregon State University, Corvallis, OR 97331, LEEMAN, W.P., Division of Earth Sciences, National Science Foundation, Arlington, VA 22230 and LUPTON, J.E., Pacific Marine Environmental Lab, National Oceanic & Atmospheric Administration, Hatfield Marine Science Center, Newport, OR 97365, dgraham@coas.oregonstate.edu, dgraham@coas.oregonstate.edu
2
1:55 PM
CONSTRAINTS ON PLUME–LITHOSPHERE INTERACTION BENEATH THE SNAKE RIVER PLAIN: RADIOGENIC ISOTOPE CONSTRAINTS
HANAN, Barry, Department of Geological Sciences, San Diego State University, San Diego, CA 92182-1020, SHERVAIS, John, Geology Department, Utah State University, Logan, UT 84322-4505 and VETTER, Scott, Department of Geology, Centenary College, Shreveport, LA 71134, Barry.Hanan@sdsu.edu, Barry.Hanan@sdsu.edu
3
2:10 PM
THE BASALTS OF BUTTE 5206: GEOCHEMICAL EVIDENCE FOR FRACTIONAL CRYSTALLIZATION AND MAGMA MIXING TO PRODUCE EASTERN SNAKE RIVER PLAIN OLIVINE THOLEIITE BASALTS
MILLER, Myles L., Department of Geosciences, Idaho State University, 921 S. 8th Avenue, Stop 8072, Pocatello, ID 83209 and HUGHES, Scott S., Dept. of Geosciences, Idaho State University, Pocatello, ID 83209, millmyle@isu.edu, millmyle@isu.edu
4
2:25 PM
PATTERNS OF RHYOLITIC VOLCANISM ALONG THE TRACK OF THE YELLOWSTONE HOT SPOT REVEAL SUBSURFACE CONDITIONS
MCINTOSH, William C.1, MORGAN, Lisa A.2, SHANKS, Wayne C. Pat2 and PIERCE, Kenneth L.3, (1)New Mexico Bureau of Mines and Mineral Resources, Socorro, NM 87801, (2)U.S. Geological Survey, 973 Federal Center, Denver, CO 80225-0046, (3)Northern Rocky Mountain Science Center, U.S. Geological Survey, U.S. Geological Survey, Bozeman, MT, Bozeman, MT 59717-3492, lmorgan@usgs.gov, lmorgan@usgs.gov
5
2:40 PM
HIGH-TEMPERATURE SILICIC MAGMAS OF THE BRUNEAU-JARBIDGE ERUPTIVE CENTER FROM 12.7 – 8.0 MA, YELLOWSTONE HOTSPOT: QUARTZ AND PYROXENE THERMOMETRY
CATHEY, Henrietta E., Geology and Geophysics, University of Utah, Salt Lake City, UT 84112 and NASH, Barbara P., Department of Geology and Geophysics, Univ of Utah, Salt Lake City, UT 84112, Cathey@earth.utah.edu, Cathey@earth.utah.edu
6
2:55 PM
SNAKE RIVER PLAIN-YELLOWSTONE SILICIC VOLCANISM: IMPLICATIONS FOR MAGMA GENESIS AND CRUSTAL EVOLUTION
LEEMAN, William P., Earth Science Division, National Science Foundation, 4201 Wilson Blvd, Arlington, VA 22230, ANNEN, Catherine, Département de Minéralogie, Université de Genève, Geneva, 1205, Switzerland and DUFEK, Josef, Dept. of Earth and Planetary Science, University of California, Berkeley, Berkeley, CA 94720, wleeman@nsf.gov, wleeman@nsf.gov
 
3:15 PM
Break
7
3:30 PM
CRYSTAL-SCALE RECORD OF SILICIC MAGMA EVOLUTION BENEATH YELLOWSTONE CALDERA
VAZQUEZ, J.A.1, KYRIAZIS, S.1, SEHLER, R.C.1 and REID, M.R.2, (1)Dept. Geological Sciences, California State University-Northridge, 18111 Nordhoff St, Los Angeles, CA 91330, (2)Dept. of Geology, Northern Arizona University, Flagtsaff, AZ 86011, jvazquez@csun.edu, jvazquez@csun.edu
8
3:45 PM
ORIGIN AND EVOLUTION OF SILICIC MAGMATISM AT YELLOWSTONE BASED ON THE ION MICROPROBE ANALYSIS OF ISOTOPICALLY-ZONED ZIRCONS
BINDEMAN, Ilya N.1, FU, Bin2, KITA, Noriko2 and VALLEY, John W.2, (1)Geological Sciences, 1272 University of Oregon, Eugene, OR 97403, (2)Department of Geology and Geophysics, Univ of Wisconsin, Department of Geology and Geophysics, University of Wisconsin, Madison, WI 53706, USA, Madison, WI 53706, bindeman@uoregon.edu, bindeman@uoregon.edu
9
4:00 PM
VOLUMINOUS LOW-d18O MAGMAS IN HEISE VOLCANIC FIELD, IDAHO: IMPLICATIONS FOR THE FATE OF YELLOWSTONE HOTSPOT CALDERAS
WATTS, Kathryn E.1, BINDEMAN, Ilya N.1, SCHMITT, Axel K.2 and MORGAN, Lisa A.3, (1)Department of Geological Sciences, 1272 University of Oregon, Eugene, OR 97403, (2)Dept. of Earth and Space Sciences, Univ. of California, Los Angeles, CA 90095-1567, (3)U.S. Geological Survey, Federal Center, Box 25046, MS 973, Denver, CO 80225, kwatts@uoregon.edu, kwatts@uoregon.edu
10
4:15 PM
OXYGEN ISOTOPE VARIATIONS ALONG THE YELLOWSTONE HOTSPOT TRACE: CAN A SINGLE MODEL EXPLAIN IT ALL?
BOROUGHS, Scott, WOLFF, John, BONNICHSEN, Bill and LARSON, Peter, School of Earth & Environmental Sciences, Washington State University, Pullman, WA 99164, entoptics@verizon.net, entoptics@verizon.net
11
4:30 PM
WIDESPREAD GENERATION OF LOW-δ18O MAGMA IN THE CENTRAL SNAKE RIVER PLAIN: COMPARING THE WEST BENNETT HILLS AND BRUNEAU-JARBIDGE RHYOLITES
STARKEL, William A.1, WOLFF, John1, BONNICHSEN, Bill2 and GODCHAUX, Martha1, (1)School of Earth & Environmental Sciences, Washington State University, PO Box 642812, Pullman, WA 99164-2812, (2)School of Earth & Environmental Sciences, Washington State University, Pullman, WA 99164, wstarkel@mail.wsu.edu, wstarkel@mail.wsu.edu
12
4:45 PM
BORON ISOTOPIC VARIATIONS IN NW USA RHYOLITES: YELLOWSTONE, SNAKE RIVER PLAIN, EASTERN OREGON
SAVOV, Ivan, Department of Terrestrial Magnetism, Carnegie Institution of Washington, Washington, DC 20560 and LEEMAN, William P., Earth Science Division, National Science Foundation, 4201 Wilson Blvd, Arlington, VA 22230, savov@dtm.ciw.edu, savov@dtm.ciw.edu
 
5:00 PM
Discussion
See more of: Technical Sessions