Cordilleran Section - 115th Annual Meeting - 2019

Session No. 4
Wednesday, 15 May 2019: 8:00 AM-12:00 PM
Room C123 (Oregon Convention Center)

T13. The Yellowstone Hotspot Province: Prehistory, Timing, Extent, Volcanic Products, and Hydrothermal Consequences

 

Arron R. Steiner, John A. Wolff, Martin J. Streck, Seth D. Burgess and Michael G. Sawlan, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
4-1
8:05 AM
OLIGOCENE BASALTS OF EASTERN OREGON AS PROBES INTO A PRE-CRBG MANTLE IN EASTERN OREGON AND POSSIBLY CONNECTION TO A NEW “RE-EMERGING PLUME MODEL”
CAHOON, Emily B., Department of Geology, Portland State University, PO Box 751, Portland, OR 97207 and STRECK, Martin J., Department of Geology, Portland State University, 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97207-0751
4-2
8:25 AM
OVERVIEW OF COLUMBIA RIVER FLOOD BASALT GEOCHEMISTRY: WHAT IS STILL TO LEARN ABOUT MANTLE SOURCES?
WOLFF, John A.1, STEINER, Arron1 and RAMOS, Frank C.2, (1)School of the Environment, Washington State University, Pullman, WA 99164, (2)Department of Geological Sciences, New Mexico State University, PO Box 30001, MSC 3AB, Las Cruces, NM 88003
4-3
8:45 AM
AN ALTERNATIVE MODEL FOR BIMODAL VOLCANISM IN THE SOUTHERN CASCADIA BACK-ARC REGION SINCE ~12 MA
CAMP, Victor, Department of Geological Sciences, San Diego State University, 5500 Campanile Dr., San Diego, CA 92182
Handouts
  • Camp_Portland GSA 2019.pdf (5.6 MB)
  • 4-4
    9:05 AM
    THE GENERATION OF HOT-SPOT RELATED CALC-ALKALINE ANDESITES OF THE STRAWBERRY VOLCANICS, NORTHEAST OREGON
    STEINER, Arron, School of the Environment, Washington State University, 100 Dairy Rd., 1228 Webster, Pullman, WA 99164-2812 and STRECK, Martin J., Department of Geology, Portland State University, 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97207-0751
    Handouts
  • GSA_Portland_2019 16_9.pdf (4.3 MB)
  • 4-5
    9:25 AM
    BAYESIAN MARKOV-CHAIN MONTE CARLO INVERSION OF LOW-TEMPERATURE THERMOCHRONOLOGY AROUND TWO 8-10 M WIDE COLUMBIA RIVER FLOOD BASALT DIKES
    KARLSTROM, Leif, Department of Earth Sciences, University of Oregon, 100 Cascade Hall, 1272 University of Oregon, Eugene, OR 97403, MURRAY, Kendra E., Department of Earth and Environmental Sciences, University of Michigan, 1100 North University Avenue, Ann Arbor, MI 48109 and REINERS, Peter W., Department of Geosciences, University of Arizona, 1040 E. 4th St., Tucson, AZ 85721
    4-6
    9:45 AM
    ERUPTION TIMESCALES OF THE COLUMBIA RIVER BASALTS
    BIASI, Joseph A., Division of Geological and Planetary Sciences, California Institute of Technology, 1200 E California Blvd, Pasadena, CA 91125 and KARLSTROM, Leif, Department of Earth Sciences, University of Oregon, 100 Cascade Hall, 1272 University of Oregon, Eugene, OR 97403
     
    10:05 AM
    Break
    4-8
    10:40 AM
    GENERATION OF A-TYPE RHYOLITE FROM MELTING OF S-/I-TYPE SOURCES DURING HYBRIDIZATION PROCESSES WITH THOLEIITIC MAGMAS
    STRECK, Martin J.1, ALMEEV, Renat2, HOLTZ, Francois3 and BROWN, Elizabeth A.1, (1)Department of Geology, Portland State University, 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97207-0751, (2)Institüt für Mineralogie, Leibniz Universität Hannover, Hannover, 30167, Germany, (3)Institute for Mineralogy, University of Hannover, Hannover, D-30167, Germany
    4-9
    11:00 AM
    PETROGENESIS OF THE MID-MIOCENE WESTERN SNAKE RIVER PLAIN RHYOLITES
    BOROUGHS, Scott1, WOLFF, John A.1 and BONNICHSEN, Bill2, (1)School of the Environment, Washington State University, Pullman, WA 99164, (2)927 E 7th St, Moscow, ID 83843
    11:20 AM
    A PROLONGED AND EPISODIC OPENING TO A MAGMATICALLY COMPLEX SUPERERUPTION: HUCKLEBERRY RIDGE TUFF, YELLOWSTONE
    MYERS, Madison1, SWALLOW, Elliot2, WALLACE, Paul J.3 and WILSON, Colin J.N.2, (1)Montana State University, (2)School of Geography, Environment and Earth Sciences, Victoria University of Wellington, PO Box 600, Wellington, 6040, New Zealand, (3)Department of Earth Sciences, University of Oregon, Eugene, OR 97403
    11:40 AM
    ASSESSING THERMAL DISCHARGE FROM YELLOWSTONE HOT SPRINGS AND IMPLICATIONS FOR BASALTIC MAGMA RECHARGE RATES
    LARSON, Peter B., School of the Environment, Washington State University, Pullman, WA 99164-2812 and FAIRLEY, Jerry P., Department of Geological Sciences, University of Idaho, Moscow, ID 83844-3022
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