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GSA Connects 2021 in Portland, Oregon

Session No. 67
Monday, 11 October 2021: 8:00 AM-12:00 PM
Portland Ballroom 254 (Hybrid Room) (Oregon Convention Center)

T21. From the Afar Rift to Alaskan Arcs (and the Oregon Plateau in between): Honoring the Career and Contributions of William K. Hart

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; Geochemical Society

 

Matthew Brueseke and Kurt Shoemaker, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
67-1
8:05 AM
THE VOLCANIC STRATIGRAPHY OF AFAR – COLLABORATIONS, LEGACIES, AND NEW FRONTIERS (Invited Presentation)
ROONEY, Tyrone, Dept. of Earth & Environmental Sciences, Michigan State University, 288 Farm Lane, East Lansing, MI 48824, ARROWSMITH, Ramon, School of Earth and Space Exploration, Arizona State University, Tempe, AZ 85287 and CAMPISANO, Christopher, Arizona State UniversityInstitute of Human Origins, PO Box 874101, Tempe, AZ 85287-4101
Recorded Presentation Recorded Presentation
67-2
8:25 AM
PRIMITIVE HIGH-AL OLIVINE THOLEIITES OF THE PACIFIC NORTHWEST REVISITED – INSIGHTS FROM COMBINED ELEMENTAL AND ISOTOPIC DATA
CARLSON, Richard, Earth and Planets Laboratory, Carnegie Institution for Science, 5241 Broad Branch Road, NW, Washington, DC 20015 and HART, William, Department of Geology and Environmental Earth Science, Miami University, Oxford, OH 45056
Recorded Presentation Recorded Presentation
 
8:40 AM
Break
Recorded Presentation
67-3
8:55 AM
EVOLUTION OF MAGMATISM ALONG A FLAT-SLAB SUBDUCTION-TRANSFORM TRANSITION, WRANGELL ARC, ALASKA-YUKON (Invited Presentation)
TROP, Jeffrey, Dept. of Geology and Environmental Geosciences, Bucknell University, Lewisburg, PA 17837, BRUESEKE, Matthew, Department of Geology, Kansas State Univ, 108 Thompson Hall, Manhattan, KS 66506, BENOWITZ, Jeffrey A., Fairbanks, AK 99775; Geology and Geophysics, University of Alaska Fairbanks, P.O. Box 755780, Fairbanks, AK 99775 and KIRBY, Carl S., Department of Geology and Environmental Sciences, Bucknell University, Lewisburg, PA 17837
Recorded Presentation
67-4
9:15 AM
ORIGIN OF THE REGIONALLY DISTINCTIVE DACITIC TO RHYOLITIC MAGMA SERIES ERUPTED AT HAYES VOLCANO, THE EASTERNMOST VOLCANO OF THE ALEUTIAN-ALASKA ARC
MCHUGH, Kelly, Pacific Northwest National Laboratory, Richland, WA 99352, HART, William, Department of Geology and Environmental Earth Science, Miami University, Oxford, OH 45056, COOMBS, Michelle, USGS, Alaska Volcano Observatory, 4230 University Drive Ste 100, Anchorage, AK 99501, PREECE, Shari, Toronto, ON M4E 2L8, Canada, PEARCE, Nicholas J.G., Department of Geography and Earth Sciences, Aberystwyth University, Aberystwyth, SY23 3FL, United Kingdom and WALLACE, Kristi, U.S. Geological Survey, Alaska Volcano Observatory, 4210 University Dr, Anchorage, AK 99508
Handouts
  • Hayes_GSA_2021_FINAL.pdf (2.4 MB)
    • 67-5
    9:30 AM
    NEWLY RECOGNIZED MONOGENETIC VOLCANISM IN SOUTH-CENTRAL ALASKA (U.S.A.): THE MACLAREN RIVER VOLCANIC FIELD AND IMPLICATIONS FOR THE ARCHITECTURE OF THE SUBDUCTING YAKUTAT SLAB
    BRUESEKE, Matthew, Department of Geology, Kansas State Univ, 108 Thompson Hall, Manhattan, KS 66506, BENOWITZ, Jeffrey, Unaffilated, PO Box 753851, Fairbanks, AK 99775 and MIGGINS, Daniel P., College of Ocean and Atmospheric Sciences, Oregon State University, 104 CEOAS Admin Bldg, Corvallis, OR 97331-5503
    Recorded Presentation
    67-6
    9:45 AM
    LONG DISTANCE PLUTONIC RELATIONSHIPS DEMONSTRATE 33 MY OF STRAIN PARTITIONING ALONG THE DENALI FAULT
    REGAN, Sean, Geophysical Institute, University of Alaska Fairbanks, 900 Yukon Dr, Fairbanks, AK 99775-9702, BENOWITZ, Jeffrey, Unaffilated, PO Box 753851, Fairbanks, AK 99775, WALDIEN, Trevor S., Earth and Planetary Sciences, University California- Davis, 2119 Earth and Physical Sciences, One Shields Avenue, Davis, AK 95616, MARBLE, Sean, Dept of Geosciences, University of Alaska Fairbanks, 900 Yukon Dr, Fairbanks, AK 99775-9702, HOLLAND, Mark E., Department of Life, Earth, and Environmental Sciences, West Texas A&M University, 2403 Russell Long Blvd., Canyon, AK 79015 and ROESKE, Sarah M., Earth and Planetary Sciences, University California- Davis, One Shields Avenue, Davis, CA 95616
    Recorded Presentation
    67-7
    10:00 AM
    LATE CENOZOIC MAGMATISM OF THE NORTHWESTERN U.S. – THE ROLE OF SUB-CONTINENTAL LITHOSPHERIC MANTLE (SCLM)
    LEEMAN, William, Department of Earth and Planetary Sciences, Rice University, Houston, TX 77005 and STRECK, Martin, Department of Geology, Portland State University, 17 Cramer Hall, 1721 SW Broadway Ave, Portland, OR 97207-0751
    Recorded Presentation
     
    10:15 AM
    Break
    67-8
    10:30 AM
    NEW MAPPING AND TEPHROCHRONOLOGY AT HAGERMAN FOSSIL BEDS NATIONAL MONUMENT, IDAHO, USA - A PROJECT DECADES IN THE MAKING (Invited Presentation)
    WALKUP, Laura1, PRASSACK, Kari2, HART, William3, WAN, Elmira1 and PREMO, Wayne R.4, (1)U.S. Geological Survey, 345 Middlefield Road, MS 975, Menlo Park, CA 94025, (2)National Park Service, Hagerman Fossil Beds National Monument, 221 North State Street, PO Box 570, Hagerman, ID 83332, (3)Department of Geology and Environmental Earth Science, Miami University, Oxford, OH 45056, (4)U.S. Geological Survey, Denver Federal Center, MS 963, Denver, CO 80225
    Recorded Presentation
    67-9
    10:50 AM
    A HORSE, AN OTTER, AND A BEAR WALK INTO A BAR AND GET CARDED: REFINING AGES FOR IMPORTANT FOSSIL LOCALITIES AT HAGERMAN FOSSIL BEDS NATIONAL MONUMENT, IDAHO, USA
    PRASSACK, Kari, National Park Service, Hagerman Fossil Beds National Monument, 221 North State Street, PO Box 570, Hagerman, ID 83332, WALKUP, Laura C., U.S. Geological Survey, 345 Middlefield Rd, MS-973, Menlo Park, CA 94025, HART, William, Department of Geology and Environmental Earth Science, Miami University, Oxford, OH 45056, WAN, Elmira, U.S. Geological Survey, 345 Middlefield Road, MS 975, Menlo Park, CA 94025 and STARRATT, Scott W., US Geological Survey, 345 Middlefield Rd, Menlo Park, CA 94025-3561
    Recorded Presentation Recorded Presentation
    67-10
    11:05 AM
    THE PROLIFIC ~300K LONG ERUPTIVE HISTORY OF THE MAHOGANY MOUNTAIN – THREE FINGERS RHYOLITE FIELD, EASTERN OREGON
    STRECK, Martin1, JACKSON, Robert1, BLACK, Cassandra1, SWEETEN, Rachel1 and MCINTOSH, William2, (1)Department of Geology, Portland State University, 1721 SW Broadway Ave, Portland, OR 97201, (2)New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801
    67-11
    11:20 AM
    NEWLY DISCOVERED PERIODICITY IN MIOCENE, HIGH LAVA PLAINS AND CO-CRBG RHYOLITES OF EASTERN OREGON TIED TO COEVAL BASALT MAGMATISM AND REGIONAL EXTENSION EVENTS
    SWENTON, Vanessa1, STRECK, Martin1, MIGGINS, Daniel P.2 and MCINTOSH, William3, (1)Department of Geology, Portland State University, 1721 SW Broadway Ave, Portland, OR 97201, (2)College of Ocean and Atmospheric Sciences, Oregon State University, 104 CEOAS Admin Bldg, Corvallis, OR 97331-5503, (3)New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801
    Recorded Presentation
    67-12
    11:35 AM
    CONTRASTING THE WILDCAT MOUNTAIN AND CROOKED RIVER CALDERAS FROM THE PRE-COLUMBIA RIVER BASALT OREGON PLATEAU USING HIGH-PRECISION ZIRCON PETROCHRONOLOGY
    COLON, Dylan, Department of Earth Sciences, University of Geneva, Geneva, ND 1205, SCHALTEGGER, Urs, Deparetment of Earth Sciences, University of Geneva, rue des Maraichers 13, Geneva, ND 1205, SELIGMAN, Angela, North Dakota Department of Environmental Quality, 918 E. Divide Ave, Bismark, ND 58501 and BINDEMAN, Ilya, Earth Sciences, University of Oregon, Eugene, OR 97403
    Recorded Presentation
     
    11:50 AM
    Concluding Remarks
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