Rocky Mountain (56th Annual) and Cordilleran (100th Annual) Joint Meeting (May 35, 2004)
Session No. 14 Monday, May 3, 2004
1:00 PM-5:00 PM, Boise Centre on the Grove: Payette-Snake Rivers

S2. Large-volume Ryolites of the Western USA: A Tribute to Bill Bonnichsen

Michael McCurry and Eric Christiansen, Presiding
 Paper #Start Time
 1:00 PM Introductory Remarks
14-11:10 PM THE SNAKE RIVER PLAIN 11.7-10.0 MA IGNIMBRITE FLARE-UP: BONNICHSEN, Bill, 927 East 7th St, Moscow, ID 83843, billb@uidaho.edu.
14-21:40 PM THE COUGAR POINT TUFF: COMPOSITIONAL GAPS AND GRADIENTS IN HIGH-TEMPERATURE, LARGE-VOLUME SILICIC MAGMAS OF THE MIOCENE YELLOWSTONE HOTSPOT, AND IMPLICATIONS FOR MAGMA RESERVOIR LONGEVITY: CATHEY, Henrietta E. and NASH, Barbara P., Department of Geology and Geophysics, Univ of Utah, Salt Lake City, UT 84112, hecathey@mines.utah.edu
14-32:00 PM LARGE VOLUME LOW d18O RHYOLITES IN THE BRUNEAU-JARBIDGE VOLCANIC CENTER: EVIDENCE FOR LARGE SCALE MELTING OF HYDROTHERMALLY ALTERED CRUST?: BOROUGHS, Scott1, WOLFF, John1, BONNICHSEN, Bill2, GODCHAUX, Martha2, and LARSON, Peter1, (1) Geology Department, Washington State Univ, Pullman, WA 99163, entoptics@turbonet.com, (2) Idaho Geologic Survey, 927 East 7th St, Moscow, ID 83843
14-42:20 PM DUCTILE DEFORMATION DURING THE EMPLACEMENT OF AN INTENSELY WELDED RHEOMORPHIC IGNIMBRITE, GREY'S LANDING, SOUTHERN IDAHO, USA: ANDREWS, Graham D.M.1, BRANNEY, Micheal J.1, BONNICHSEN, Bill2, and TEMPERLEY, Steve1, (1) Geology, Univ of Leicester, Dept. of Geology, University of Leicester, Leicester, LE1 7RH, gdma1@le.ac.uk, (2) 927 East 7th St, Moscow, ID 83843
 2:40 PM Break
14-53:00 PM EVOLUTION OF SNAKE RIVER PLAIN (SRP) SILICIC MAGMAS THE MAGIC RESERVOIR ERUPTIVE CENTER: LEEMAN, William P., Department of Earth Science, Rice Univ, MS-126, Houston, TX 77251-1892, leeman@rice.edu.
14-63:20 PM THE RATTLESNAKE TUFF, OREGON: AN EXCEPTIONAL RECORD OF A VOLUMINOUS HIGH-SILICA RHYOLITE SYSTEM: STRECK, Martin J., Department of Geology, Portland State Univ, Portland, OR 97207, streckm@pdx.edu.
14-73:40 PM CAN FRACTIONATION OF AN OLIVINE THOLEIITE GIVE RISE TO POTASSIC RHYOLITES?: WHITAKER, Matthew L., Department of Geosciences, State Univ of New York at Stony Brook, Stony Brook, NY 11794-2100, matthew.whitaker@sunysb.edu, NEKVASIL, Hanna, Department of Geosciences, State Univ of New York at Stony Brook, Department of Geosciences, Stony Brook University, Stony Brook, NY 11794-2100, and LINDSLEY, Donald H., Geosciences, State Univ of New York, Stony Brook, NY 11794-2100
14-84:00 PM CONTRASTING PROCESSES IN SILICIC MAGMA CHAMBERS: EVIDENCE FROM VERY LARGE VOLUME IGNIMBRITES: CHRISTIANSEN, Eric H., Department of Geology, Brigham Young Univ, Provo, UT 84602, eric_christiansen@byu.edu.
 4:20 PM Discussion

Back to the Rocky Mountain (56th Annual) and Cordilleran (100th Annual) Joint Meeting (May 35, 2004)