GSA Connects 2023 Meeting in Pittsburgh, Pennsylvania

Session No. 110
Monday, 16 October 2023: 8:00 AM-5:30 PM
Hall B (David L Lawrence Convention Center)

T86. Subduction Zone Processes in the Evolution of Ophiolites, Continental Crust, and Orogenic Belts (Posters)

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Structural Geology and Tectonics Division

Authors will be present from 3:30 to 5:30 PM.

 

Paper #
Booth #
255
INVESTIGATING CHEMICAL WEATHERING PROCESSES IN RIVERS DRAINING THE NAGALAND MANIPUR OPHIOLITE SEQUENCES, EASTERN INDIA
DEFRANCESCO, Giancarlo1, MCKENZIE, N. Ryan1, SINGH, N. Lahkan2, SINGH, Y.R.3, CHEUNG, Chris Tsz Long1 and PLANAVSKY, Noah J.4, (1)Department of Earth Sciences, The University of Hong Kong, James Lee Building, Pokfulam Road, Hong Kong, Central 00000, Hong Kong, (2)Department of Geology, North Eastern Hill University, Shillong, Meghalaya 793022, India, (3)Department of Earth Sciences, Manipur University, Department of Earth Sciences, Manipur University, Imphal, Manipur 795003, India, (4)Department of Earth and Planetary Sciences, Yale University, New Haven, CT 06511
256
HF-ND-SR ISOTOPE SYSTEMATICS OF ALASKAN OPHIOLITE COMPLEXES: IMPLICATIONS FOR THE ORIGIN OF MARGINAL OCEAN BASINS IN EAST CENTRAL ALASKA
HAMMOND, Robert, School of Earth Ocean and the Environment, University of South Carolina, 1325 Chrismill Ln, Mount Pleasant, SC 29466-7968, TODD, Erin, U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, KYLANDER-CLARK, Andrew, Dept. of Earth Science, UC Santa Barbara, Santa Barbara, CA 93106-9630 and BIZIMIS, Michael, School of Earth, Ocean, and Environment, University of South Carolina, Columbia, SC 29208
257
MOLYBDENUM ISOTOPIC COMPOSITION OF NORTHWEST PACIFIC ALTERED OCEANIC CRUST
WALDMAN, Ryan1, ROJAS KOLOMIETS, Ekaterina1, YOGODZINSKI, Gene2, BIZIMIS, Michael1, HAUFF, Folkmar3 and HOERNLE, Kaj3, (1)School of Earth, Ocean, and Environment, University of South Carolina, Columbia, SC 29208, (2)School of Earth, Ocean and Environment, University of South Carolina, Columbia, SC 29208, (3)GEOMAR Helmholtz Center, Kiel, 24148, Germany
258
BORON AS A HYDRAULIC TRACER WITHIN THE SW JAPAN SUBDUCTION ZONE-SEDIMENT DEHYDRATION FROM TRENCH TO SUB-ARC
DO, Hanh-Tu1, PEREZ, Sarah1, CHEN, Tsai-Wei2, FISHER, Donald M.3, AGOSTINI, Samuele4, SAFFER, Demian M.5 and FEINEMAN, Maureen, PhD6, (1)Department of Geosciences, Pennsylvania State University, State College, PA 16801, (2)Department of Geosciences, The Pennsylvania State University, University Park, PA 16802, (3)Department of Geosciences, Pennsylvania State University, University Park, PA 16802, (4)Institute of Geosciences and Earth Resources, Consiglio Nazionale delle Ricerche (CNR), Via G. Moruzzi, 1, Pisa, 56124, Italy, (5)Department of Geological Sciences, Jackson School of Geosciences, Austin, TX 78712, (6)Dept. of Geosciences, Pennsylvania State University, Deike Building, University Park, PA 16802
259
BORON ISOTOPE EVIDENCE FOR DEEP-SLAP FLUIDS IN ALEUTIAN MAGMAS
JENSEN, Owen1, YOGODZINSKI, Gene1, BIZIMIS, Michael1, SCHER, Howie D.1, RYAN, Jeffrey2 and LEEMAN, William3, (1)School of the Earth, Ocean and Environment, University of South Carolina, Columbia, SC 29208, (2)School of Geosciences, University of South Florida, Tampa, FL 33620, (3)Department of Earth and Planetary Sciences, Rice University, Houston, TX 77005
260
THE 1,100 YBP ERUPTION OF TEPHRA C AT AUGUSTINE VOLCANO, ALASKA: VARIATIONS IN ERUPTIVE STYLE AND MAGMA SOURCES AT AN INTERMEDIATE ARC VOLCANO
ZEHNER, Jessica1, KOLESZAR, Alison1, WALOWSKI, Kristina2, LOEWEN, Matthew W.3, WALLACE, Kristi3, FARRELL, Jessica1, MELICAN, Abigail1, ANDREWS, Ian1, D'ERRICO, Ryan1 and ZHUANG, Siqi1, (1)Earth and Environmental Geosciences, Colgate University, 13 Oak Drive, Hamilton, NY 13346, (2)Geology, Western Washington University, Bellingham, WA 98225, (3)U.S. Geological Survey, Alaska Volcano Observatory, 4210 University Dr, Anchorage, AK 99508
261
WHAT DRIVES CHANGES IN ERUPTION STYLE AT INTERMEDIATE ARC VOLCANOES? EVIDENCE FROM THE HOLOCENE RECORD AT AUGUSTINE VOLCANO, ALASKA
FARRELL, Jessica1, KOLESZAR, Alison1, WALOWSKI, Kristina2, LOEWEN, Matthew W.3, WALLACE, Kristi3, ZEHNER, Jessica1, MELICAN, Abigail1, ANDREWS, Ian1, ZHUANG, Siqi1 and D'ERRICO, Ryan1, (1)Earth and Environmental Geosciences, Colgate University, 13 Oak Drive, Hamilton, NY 13346, (2)Geology, Western Washington University, Bellingham, WA 98225, (3)U.S. Geological Survey, Alaska Volcano Observatory, 4210 University Dr, Anchorage, AK 99508
262
HYDRATION MELTING IN OLIVINE-BEARING ZONE I OF THE STILLWATER COMPLEX, MONTANA
GUPTA, Anya, Earth Climate Sciece, Duke University, 9 Circuit Drive, Durham, NC 27708 and BOUDREAU, Alan, Earth & Ocean Sciences, Duke University, Box 90328, Durham, NC 27708
263
EFFECT OF PLATE COUPLING AND GRAVITATIONAL FORCE ON FOREARC STRESSES
SHARMA, Viven, School of Earth and Environmental Sciences, University of Minnesota, Suite 150, 116 Church St SE, Minneapolis, MN 55455 and WADA, Ikuko, Department of Earth and Environmental Sciences, University of Minnesota-Twin Cities, 116 Church Street SE, Minneapolis, MN 55455
110-10
264
Withdrawn
265
ORIGIN OF METATRONDJHEMITE BLOCKS WITHIN SUBDUCTION-INTERFACE COMPLEXES: INSIGHTS FROM THE NORTH MOTAGUA MELANGE (GUATEMALA)
STRICKLAND, Anna H.1, FLORES, Kennet E.1, DONOSO-TAPIA, Damian1, HULL, Sarah Wells1 and HARLOW, George2, (1)Department of Earth, Marine and Environmental Sciences, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, (2)American Museum of Natural History, 200 Central Park West, New York, NY NY 10024-5102
266
MINERALOGY OF THE GAIRA SCHISTS: AN EXAMPLE OF METAMORPHIC ROCKS FROM THE SIERRA NEVADA DE SANTA MARTA, COLOMBIA
GAMEZ ESCOBAR Jr., Ivan Camilo, CABARCAS Jr., Juan Esteban, RAMOS, Elina, MOLINA Jr., Karen, ARRIETA, Maria Luisa, MONTERO, Rafael and GARCÍA GONZÁLEZ IV, Jenny, faculty of engineering and basic sciences, Areandina University Foundation, valledupar, cesar, valledupar, callejas 200005, Colombia
267
ORIGIN AND GEOCHEMISTRY OF THE MESOPROTEROZOIC FRANKLIN MARBLE, NEW JERSEY
KOLKAS, Mossbah, Engineering and Environmental Science, The College of Staten Island (CUNY), 2800 Victory Boulevard, Staten Island, NY 10314 and BENIMOFF, Alan, College of Staten IslandEngineering and Environmental Science, 2800 Victory Blvd, Staten Island, NY 10314-6609
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