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GSA Connects 2021 in Portland, Oregon

Session No. 37
Sunday, 10 October 2021: 1:30 PM-5:30 PM
Portland Ballroom 252 (Hybrid Room) (Oregon Convention Center)

T23. The How, When, Where, and Why of Open-System Magma Processes

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Planetary Geology Division; GSA Geochronology Division; Geochemical Society

 

Jenna Adams, Valerie Strasser, Wendy A. Bohrson and Frank J. Spera, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
37-1
1:35 PM
THE EXTREME ENDMEMBER OF OPEN SYSTEM BEHAVIOR: A ROLE FOR LOW TEMPERATURE LIQUIDS IN SILICIC IGNEOUS ROCK PETROGENESIS?
LUNDSTROM, Craig, Department of Geology, University of Illinois-Urbana Champaign, 3026 Natural History Bldg, 1301 W. Green Street, Urbana, IL 61801
Recorded Presentation
37-2
1:50 PM
OPEN-SYSTEM BEHAVIOR IN A CRUSTAL-SCALE MAGMA COLUMN, KLAMATH MOUNTAINS, CALIFORNIA
BARNES, Calvin, Geosciences, Texas Tech University, Lubbock, TX 79409-1053, COINT, Nolwenn, Geological Survey of Norway, PO Box 6315 Torgarden, Trondheim, 7491, Norway, BARNES, Melanie, Department of Geosciences, Texas Tech University, Lubbock, TX 79409-1053, CHAMBERLAIN, Kevin R., Department of Geology and Geophysics, University of Wyoming, 1000 University Avenue, Laramie, WY 82071, COTTLE, John, Earth Science, University of California, Santa Barbara, CA 93106, RAMO, Tapani, Geosciences and Geography, Geology and Geophysics Research Program, University of Helsinki, Helsinki, FI-00014, Finland and VALLEY, John W., Department of Geoscience, University of Wisconsin-Madison, Madison, WI 53706
Recorded Presentation
37-3
2:05 PM
AS OPEN-SYSTEM AS IT GETS: LONG-LIVED AND SPATIALLY EXTENSIVE MAGMA MIXING, FRACTIONAL CRYSTALLIZATION, AND MELT LOSS DURING MAGMA FOCUSING IN THE TUOLUMNE INTRUSION, SIERRA NEVADA BATHOLITH, CA (Invited Presentation)
MEMETI, Vali1, BARNES, Calvin2, WERTS, Kevin2, OPPENHEIM, Louis1, CHAMBERS, Melissa1 and ARDILL, Katie3, (1)Department of Geological Sciences, California State University Fullerton, 800 N State College Blvd, Fullerton, CA 92831, (2)Department of Geosciences, Texas Tech University, Box 41053, Lubbock, TX 79409-1053, (3)Geology Department, California State University, Sacramento, 6000 J St, Sacramento, CA 95819
37-4
2:25 PM
ISOTOPE CHARACTERISTICS OF A LARGE SILICIC PROVINCE: CRUSTAL VERSUS MANTLE PROCESSES IN THE GENERATION OF THE JURASSIC CHON AIKE PROVINCE (ARGENTINA)
FOLEY, Michelle1, PUTLITZ, Benita1, BAUMGARTNER, Lukas1, ULYANOV, Alexey1 and SIRON, Guillaume2, (1)Institute of Earth Sciences, University of Lausanne, Lausanne, CH-1015, Switzerland, (2)WiscSIMS Department of Geosciences, University of Wisconsin-Madison, Madison, WI 53706
Recorded Presentation
37-5
2:40 PM
OPENING AND CLOSING OF A SHORT-LIVED OCEAN BASIN IN LIBYA DURING THE PAN AFRICAN OROGENY
MAHAR, Munazzam Ali, Geological Sciences, University of Texas at El Paso, 500 W, University Av, El Paso, TX 79968 and GOODELL, Philip, Geological Sciences, University of Texas at El Paso, 500 W University Ave, El Paso, TX 79968
Recorded Presentation
37-6
2:55 PM
MODELING ZIRCON GROWTH DURING OPEN-SYSTEM CRYSTALLIZATION
TAVAZZANI, Lorenzo1, ECONOMOS, Rita1, WOTZLAW, Jörn-Frederik2, LAURENT, Oscar3, CHELLE-MICHOU, Cyril4 and BACHMANN, Olivier2, (1)Southern Methodist University, Earth Sciences, 3225 Daniel Ave, Heroy 207, Dallas, TX 75275, (2)Institute of Geochemistry and Petrology, Department of Earth Sciences, ETH Zurich, Clausiusstrasse 25, Zurich, 8092, Switzerland, (3)ETH, Zürich, Zürich, 8092, Switzerland, (4)Department of Earth Sciences, ETH Zurich, Clausiusstrasse 25, Zurich, 8092, Switzerland
Recorded Presentation
37-7
3:10 PM
MACHINE LEARNING USED TO UNDERSTAND THE GEOCHEMISTRY OF MAFIC MAGMATIC SYSTEMS (Invited Presentation)
HAMPTON, Rachel and KARLSTROM, Leif, Department of Earth Sciences, University of Oregon, 100 Cascade Hall, 1272 University of Oregon, Eugene, OR 97403
Recorded Presentation
37-8
3:30 PM
INCREASED OXIDATION STATES OF ARC BASALTS DURING REACTIVE ASSIMILATION OF THE PLUTONIC ROOTS OF THE QUATERNARY ANDEAN SOUTHERN VOLCANIC ZONE, CHILE: THE UPPER PLACETA SAN PEDRO SEQUENCE (UPSPS) OF THE TATARA-SAN PEDRO COMPLEX (36 S)
DUNGAN, Michael, Department of Earth Sciences, University of Oregon, Eugene, OR 97402, SISSON, Thomas, USGS, Volcano Science Center, 345 Middlefield Road, Menlo Park, CA 94025-0000, LANGMUIR, Charles, Earth and Planetary Sciences, Harvard University, Cambridge, MA 02138, JWEDA, Jason, Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, COSTA, Fidel, Earth Observatory of Singapore, Nanyang Technical University, Singapore, 639798, Singapore and GOLDSTEIN, Steven, Earth Observatory of Singapore, Nanyang Technical University, Singapore, 639798, Singapore; Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964
Recorded Presentation
 
3:45 PM
Break
37-9
4:00 PM
THE DIVERSIFICATION OF CORDILLERAN ARC MELTS IN THE DEEP CRUST OF FIORDLAND, NEW ZEALAND
SCHWARTZ, Joshua1, BRACKMAN, Adam1, CARTY, Kendra2, GREENBERG, Gillian3, KLEPEIS, Keith A.4, STOWELL, Harold H.5 and BARNES, Calvin6, (1)Department of Geological Sciences, California State University Northridge, 18111 Nordhoff Street, Northridge, CA 91330-8266, (2)Dept. of Geological Sciences, California State University at Northridge, Northridge, CA 91330, (3)Department of Geological Sciences, California State University Northridge, 18111 Nordhoff St., Northridge, CA 91330, (4)Department of Geology, University of Vermont, Trinity Campus, Delehanty Hall, 180 Colchester Ave, Burlington, VT 05405, (5)Department of Geological Sciences, The University of Alabama, 201 7th Ave., Bevill Building, Room 202, Tuscaloosa, AL 35487, (6)Geosciences, Texas Tech University, Lubbock, TX 79409-1053
Recorded Presentation
37-10
4:15 PM
DECIPHERING THE PETROLOGY OF A HAZARDOUS VOLCANO: MAGMA STORAGE CONDITIONS, REMOBILIZATION, AND TIMESCALES INFERRED FROM TEPHRA-FALL DEPOSITS FROM MISTI VOLCANO, PERU
TAKACH, Marie1, TEPLEY III, Frank J.1, HARPEL, Christopher J.2, AGUILAR, Rigoberto3 and RIVERA, Marco4, (1)College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, (2)U.S. Geological Survey Volcano Disaster Assistance Program, Cascades Volcano Observatory, Vancouver, WA 98683, (3)Observatorio Vulcanológico del INGEMMET, Instituto Geológico, Minero y Metalúrgico del Peru, Arequipa, Yanahuara, Peru, (4)Observatorio Vulcanológico del Sur, Instituto Geofísico del Perú, Arequipa, Cayma, Peru
37-11
4:30 PM
BIG CHANGES AT KĪLAUEA VOLCANO: THE IMPACT OF 2018 SUMMIT COLLAPSE ON MAGMATIC PROCESSES RECORDED BY THE 2020 ERUPTION (Invited Presentation)
LYNN, Kendra, U.S. Geological Survey, Hawaiian Volcano Observatory, 1266 Kamehameha Avenue, Suite A8, Hilo, HI 96720
Recorded Presentation Recorded Presentation
37-12
4:50 PM
KĪLAUEA VOLCANO’S INTERMITTENT OPEN-SYSTEM BEHAVIOR: PETROLOGIC EVIDENCE AND IMPLICATIONS FOR ERUPTION STYLE
LERNER, Allan, Department of Earth Sciences, University of Oregon, 100 Cascade Hall, 1272 University of Oregon, Eugene, OR 97403 and WALLACE, Paul J., Department of Earth Sciences, University of Oregon, Eugene, OR 97403
Recorded Presentation
37-13
5:05 PM
QUANTITATIVE CONSTRAINTS ON MAGMA MIXING AND ERUPTION DYNAMICS DURING THE 1915 LASSEN PEAK, CA ERUPTION USING THERMODYNAMIC MODELING AND TRANSPORT CALCULATIONS
ADAMS, Jenna1, BOHRSON, Wendy A.1, SPERA, Frank J.2 and SANCHEZ, Rachelle P.3, (1)Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401, (2)Earth Science, University of California Santa Barbara, Santa Barbara, CA 93106, (3)Department of Geology and Environmental Earth Science, Miami University, 501 E High St, Oxford, OH 45056
Recorded Presentation
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