Session: The Virtue of Fieldwork in Volcanology, Sedimentology, Structural Geology, and Tectonics (Posters): A Session to Honor Cathy Busby, MGPV Distinguished Geological Career Award Recipient of 2020 (GSA Connects 2022 meeting in Denver, Colorado)

Paper #

Booth #

102-1

149

WHAT WOULD A LARGE-SCALE COLLABORATIVE RESEARCH ARRAY FOR FIELD GEOSCIENTISTS LOOK LIKE?

REGALLA, Christine, Earth and Sustainability, Northern Arizona University, 624 S Knoles Dr, Flagstaff, AZ 86011, KENT, Adam, College of Earth, Ocean and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, NIEMI, Nathan, Department of Earth and Environmental Sciences, University of Michigan, 1100 N University Ave, Ann Arbor, MI 48109-1005, SAVAGE, Heather M., Department of Earth and Planetary Science, UC, Santa Cruz, 1156 High St, Santa Cruz, CA 95064 and FEROT, Anais, UC Santa Cruz, Snata Cruz, CA 95064

102-2

150

DETRITAL TOURMALINE IN THE ARCHEAN JARDINE METASEDIMENTARY SEQUENCE OF THE WESTERN BEARTOOTH MOUNTAINS, MT-WY, USA: EVIDENCE FOR HIGHLY EVOLVED ROCKS EXPOSED AT THE EARTH’S SURFACE AT 2.9-3.6 GA

HENRY, Darrell¹, MOGK, David W.², MUELLER, Paul³, DUTROW, Barbara¹, LOOCKE, Matthew¹ and TUTTLE, Larry¹, (1)Department of Geology and Geophysics, Louisiana State University, Baton Rouge, LA 70803, (2)Dept. Earth Sciences, Montana State Univ, Bozeman, MT 59717, (3)Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611

102-3

151

FORMATION OF A CONTINENTAL WHOLE-LITHOSPHERE SHEAR ZONE

VAN WIJK, Jolante, Computational Earth Science Group, Los Alamos National Laboratory, Los Alamos, NM 87545, LUTZ, Brandon, Geosciences and Environmental Change Science Center, U.S. Geological Survey, PO Box 25046, Denver, CO 80225-0046, AXEN, Gary, New Mexico Tech, 801 Leroy Place`, Socorro, NM 87801 and PHILLIPS, Fred M., Department of Earth and Environmental Science, New Mexico Tech, 801 Leroy Pl, Socorro, NM 87801

102-4

152

EVIDENCE FOR A POST 1 MA YAKUTAT SLAB TEAR: GEOLOGICAL, GEOCHRONOLOGICAL, AND GEOCHEMICAL CONSTRAINTS ON THE MACLAREN RIVER VOLCANIC FIELD, SOUTH-CENTRAL ALASKA (USA)

BEARDEN, Alexander¹, BRUESEKE, Matthew¹, BENOWITZ, Jeffrey², MIGGINS, Daniel P.³ and MANN, Michael Everett⁴, (1)Department of Geology, Kansas State University, 108 Thompson Hall, Manhattan, KS 66506, (2)Unaffilated, PO Box 753851, Fairbanks, AK 99775, (3)College of Ocean and Atmospheric Sciences, Oregon State University, 104 CEOAS Admin Bldg, Corvallis, OR 97331-5503, (4)Brown University, Providence, RI 02912

102-5

153

THE INFLUENCE AND TECTONIC SIGNIFICANCE OF THE EARLY CRETACEOUS VOLCANIC ACTIVITY ON SEDIMENTATION IN THE RIQINGWEI BASIN

LI, Sunyi, China University of Petroleum（esat）, Qingdao, China and ZHOU, Yaoqi, China University of Petroleum（esat）, Qingdao, Shandong 266580, China

102-6

154

SEDIMENTOLOGY AND STRATIGRAPHY OF V185, AN OPEN-PIT GRAVEL MINE, AZ

KHAN, Sabrina, Johns Hopkins University, Department of Earth and Planetary Sciences, 301 Olin Hall, 3400 N. Charles Street, Baltimore, MD 21218, THOMPSON, Alexandria, College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, LUO, Flora, University of Michigan, 500 S. State Street, Ann Arbor, MI 48109, RENTERIA, Olivia, Texas Tech University, 2500 Broadway, Lubbock, TX 79409, GALLANT, Elisabeth, USGS, Hawaiian Volcano Observatory, 1266 Kamehameha Avenue, Suite A-8, Hilo, HI 96720 and MARSHALL, Anita, Department of Geological Sciences, University of Florida, Gainesville, FL 32611

102-7

155

PRELIMINARY FIELD STUDY OF A SMALL PHREATOMAGMATIC VENT IN THE SAN FRANCISCO VOLCANIC FIELD, AZ

BAKER, Anna, Department of Astronomy and Planetary Science, Northern Arizona University, Flagstaff, AZ 86011-6010, KHAN, Sabrina, Department of Earth and Planetary Sciences, Johns Hopkins University, Baltimore, MD 21218, MEIER, McKayla, Department of Earth and Spatial Sciences, University of Idaho, Moscow, ID 83844, OLVERA, Adriana, Division of Geosciences, Northern Arizona University, Flagstaff, AZ 86011-6010, PIMENTEL, Erin, Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, THOMPSON, Alexandria, College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, GALLANT, Elisabeth, USGS, Hawaiian Volcano Observatory, Hilo, HI 96720 and MARSHALL, Anita, Department of Geological Sciences, University of Florida, Gainesville, FL 32611

102-8

156

TIMING AND RECURRENCE INTERVALS FOR MAJOR ERUPTIONS FROM AMATITLÁN CALDERA (GUATEMALA)

CISNEROS DE LEON, Alejandro¹, DANISIK, Martin², SCHINDLBECK-BELO, Julie C.³, KUTTEROLF, Steffen³, SCHMITT, Axel K.⁴, FREUNDT, Armin³, KLING, José³, WANG, Kuo-Lung⁵ and LEE, Hao-Yang⁶, (1)Institute of Earth Sciences, Heidelberg University, Im Neuenheimer Feld 234-236, Heidelberg, 69120, Germany; School of the Earth, Ocean and Environment, University of South Carolina, 701 Sumter Street, Columbia, SC 29208, (2)John de Laeter Centre, Curtin University, Kent Street, Bentley, Perth, Western Australia 6102, Australia, (3)GEOMAR Helmholtz Centre for Ocean Research Kiel, Wischhofstrasse 1-3, Kiel, 24148, Germany, (4)Institute of Earth Sciences, Heidelberg University, Im Neuenheimer Feld 234-236, Heidelberg, 69120, Germany, (5)Institute of Earth Sciences, Academia Sinica, Taipei, 11529, Taiwan, (6)Department of Geosciences, National Taiwan University, Taipei, 11529, Taiwan

102-9

157

OLDEST AND MOST RECRYSTALLIZED OLISTOSTROMAL HORIZON IN THE FRANCISCAN SUBDUCTION COMPLEX, FOUND IN THE SKAGGS SPRINGS SCHIST OF SONOMA COUNTY CALIFORNIA

RENNA REYES, Johnathann, Earth and Environmental Sciences, California State University of Fresno, 5241 N Maple Ave, Fresno, CA 93740

102-10

158

TRENCHWARD-DIPPING SEGMENT OF THE COAST RANGE FAULT EXPOSED ALONG THE WESTERN MARGIN OF THE DIABLO RANGE ANTIFORM, CALIFORNIA: REGIONAL-SCALE COMPONENT OF AN EXTENSIONAL DOME THAT ACCOMMODATED EXHUMATION OF HIGH-PRESSURE METAMORPHIC ROCKS

ROSENBERGER, Aurora, Department of Earth and Environmental Science, California State University, Fresno, CA 93740 and WAKABAYASHI, John, Department of Earth and Environmental Sciences, California State University, Fresno, CA 93740

102-11

159

ARE OLISTOSTROMES OF THE GREAT VALLEY GROUP, CALIFORNIA REMNANTS OF FOREARC MUD VOLCANO DEPOSITS OR SUBMARINE LANDSLIDE DEPOSITS FROM SEA-FLOOR HORSTS?

SIMONEAU, Victoria, Earth and Environmental Sciences, California State University, Fresno, 5241 N Maple Ave., Fresno, CA 93740, WAKABAYASHI, John, Department of Earth and Environmental Sciences, California State University, Fresno, CA 93740 and ANFINSON, Owen A., Department of Geology, Sonoma State University, 1801 East Cotati Ave, Rohnert Park, CA 94928

102-12

160

SMALLER TRANSTENSIONAL BASINS ERUPT COOLER LAVAS FROM SHALLOWER DEPTHS: EVIDENCE FROM THE SIERRA CREST-LITTLE WALKER & EBBETTS PASS VOLCANIC CENTERS, CENTRAL SIERRA NEVADA, CALIFORNIA

MANZO, Alicia¹, BUSBY, Cathy² and PUTIRKA, Keith¹, (1)Department of Earth and Environmental Sciences, California State University - Fresno, Fresno, CA 93740, (2)Department of Earth and Planetary Sciences, University of California - Davis, Davis, CA 95616

102-13

161

USING PYROXENE CRYSTAL COMPOSITIONS TO CORRELATE MT. YANA PROXIMAL LAVAS WITH DISTAL EROSIONAL BRECCIAS

MARINE, Henry¹, TEASDALE, Rachel² and HARP, Andrew¹, (1)Earth & Environmental Sciences, California State University, Chico, Chico, CA 95929-0001, (2)Earth & Environmental Sciences, California State University, Chico, Chico, CA 95929-0205

102-14

162

RELATIVE ERUPTION CHRONOLOGY AND TEPHRA-VENT CORRELATIONS OF THE SAND MOUNTAIN VOLCANIC CHAIN, CENTRAL OREGON CASCADES

CHUMLEY, Adam, Department of Geosciences, University of Wisconsin-Milwaukee, 3209 N. Maryland Ave., Milwaukee, WI 53211 and CAMERON, Barry, Dept. of Geosciences, University of Wisconsin-Milwaukee, Milwaukee, WI 53211

102-15

163

GEOMETRY AND NET-SLIP OF THE SOUTHERN ELSINORE FAULT, COYOTE MOUNTAINS, SOUTHERN CALIFORNIA

BYKERK-KAUFFMAN, Ann, Earth and Environmental Sciences, California State Univ, Chico, 400 W. 1st St, Chico, CA 95929-0205

102-16

164

PROVENANCE AND STRATIGRAPHIC ANALYSIS OF THE STEWART VALLEY, NEVADA

SCHULMAN, Roxanne, CSULB Geology Department, California State University, Long Beach, 1250 Bellflower Blvd, Long Beach, CA 90840, LOUGHNEY, Katharine, Department of Geology, University of Georgia, 210 Field Street, Athens, GA 30602 and ABBEY, Alyssa, Department Geological Sciences, California State University Long Beach, Long Beach, CA 90804

102-17

165

CONSTRAINTS ON THE EMPLACEMENT AND PETROGENESIS OF SMALL VOLUME, INCOMPATIBLE ELEMENT ENRICHED LAVA FLOWS WITHIN THE WANAPUM BASALT, COLUMBIA RIVER BASALT GROUP DERIVED FROM THE INTEGRATON OF FIELDWORK WITH INTERNALLY CONSISTENT GEOCHEMISTRY

MARTIN, Barton, Ph.D., Ohio Wesleyan University, Delaware, OH 43015

102-18

166

INFERRING THE PROCESS OF FORMATION FOR BILLOWED STRUCTURES ALONG MARGINS OF BASALTIC INTRUSIONS EMPLACED INTO WET SEDIMENT AT BIG BEND NATIONAL PARK, TEXAS, USA AND 71 GULCH, IDAHO, USA

GALLETLY, Aaron¹, GRAETTINGER, Alison H.¹ and HANSON, Richard E.², (1)Department of Earth and Environmental Sciences, University of Missouri - Kansas City, Kansas City, MO 64110, (2)Department of Geological Sciences, Texas Christian University, Fort Worth, TX 76129

102-19

167

EXTINCT VOLCANIC CENTERS OF THE WESTERN SANTA MONICA MOUNTAINS AND THE OXNARD PLAIN, ONSHORE CALIFORNIA: A FIELD AND PHOTOGRAPHIC SURVEY (1992-2022)

SAENZ, Joseph, Oxnard College , Camarillo, CA 93012, DENISON, Frank E., Frank Denison Geology (Consultant), 867 Hartglen Avenue, Westlake Village, CA 91361, O'NEIL, Thomas J., Oxnard College, 4000 Rose Avenue, Oxnard, CA 93030, MODUGNO, Andrew, Los Angeles Unified School District, Los Angeles, CA 90017, MICHENER, Stuart, Consulting Geologist, Pasadena, CA 91107 and GARZA, Lazaro, Geology Department, Western Washington University, 516 High Street, Bellingham, WA 98225

102-20

168

FACIES AND GEOCHEMICAL ANALYSIS OF THE TRIASSIC VOLCANIC ROCKS IN TWO PENDANTS, EASTERN CALIFORNIA WITH IMPLICATIONS FOR ARC PALEOGEOGRAPHY, VOLCANOLOGY, AND SUBDUCTION INITIATION

BRENNAN, Kelsey, School of Earth and Sustainability, Northern Arizona University, PO Box 4099, Flagstaff, AZ 86001-4099, RIGGS, Nancy R., School of Earth and Sustainability, Northern Arizona University, PO Box 4099, Flagstaff, AZ 86001 and BARTH, Andrew P., Earth Sciences, Indiana University-Purdue University, 723 West Michigan Street, Indianapolis, IN 46202

102-21

169

PRELIMINARY GEOLOGIC MAPPING, STRATIGRAPHIC FRAMEWORK, AND AR/AR GEOCHRONOLOGY OF SAN MARCOS ISLAND, BAJA CALIFORNIA SUR, MÉXICO

SOMMER, Sarah¹, MOREBECK, C.², DARIN, Michael², THOMAS, Kaylee A.³, SALGADO MUNOZ, Valente O.⁴ and NIEMI, Tina⁵, (1)Department of Geography, Geology, and Planning, Missouri State University, 901 S. National Ave., Springfield, MO 65897, (2)Nevada Bureau of Mines and Geology, University of Nevada, Reno, 1664 N. Virgina Street, Reno, NV 89557, (3)Department of Geosciences, University of Missouri at Kansas City, Kansas City, MO 64110, (4)Department of Geosciences, University of Missouri - Kansas City, 5100 Rockhill Road, Flarsheim Hall 420, Kansas City, MO 64110, (5)Earth and Environmental Sciences, University of Missouri - Kansas City, Kansas City, MO 64110-2446

102-22

170

VOLCANOLOGY AND STRUCTURE OF THE MULEGE-BAHIA CONCEPCION REGION, GULF OF CALIFORNIA, BAJA CALIFORNIA SUR, MEXICO: RESULTS FROM THE BAJA BASIN RESEARCH EXPERIENCE FOR UNDERGRADUATES (REU) AND INTERNATIONAL RESEARCH EXPERIENCE FOR STUDENTS (IRES)

GRAETTINGER, Alison, Department of Earth and Environmental Sciences, University of Missouri-Kansas City, 5110 Rockhill Road, 420 Flarsheim Hall, Kansas City, MO 64110, BUSBY, Cathy, Earth and Planetary Sciences, University of California Davis, One Shields Ave, Davis, CA 95616, MINDRUP, Quinton, Department of Geology, Kansas State University, 108 Thompson Hall, Manhattan, KS 66506, MCENANEY, Trenton, Earth and Environmental Sciences, University of Missouri - Kansas City, Volker Campus 5110 Rockhill Road, Kansas City, MO 64110 and NIEMI, Tina, Earth and Environmental Sciences, University of Missouri - Kansas City, Kansas City, MO 64110-2446

102-23

171

DEPOSITIONAL SETTING, PROVENANCE, AND TECTONIC IMPLICATIONS OF THE CARMEN FORMATION ON SAN MARCOS ISLAND, BAJA CALIFORNIA SUR, MEXICO

ROMANG, Luke¹, NIEMI, Tina², SALGADO MUNOZ, Valente¹ and DARIN, Michael³, (1)Earth and Environmental Sciences, University of Missouri - Kansas City, 5100 Rockhill Rd, Kansas City, MO 64110-2446, (2)Earth and Environmental Sciences, University of Missouri - Kansas City, Kansas City, MO 64110-2446, (3)Nevada Bureau of Mines and Geology, University of Nevada, Reno, 1664 N. Virgina Street, Reno, NV 89557

102-24

172

GEOLOGIC MAP AND CROSS SECTION OF CONCEPCIÓN PENINSULA, GULF OF CALIFORNIA RIFT, BAJA CALIFORNIA SUR: BAJA BASINS NSF INTERNATIONAL RESEARCH EXPERIENCE FOR STUDENTS¹

MCENANEY, Trenton, Earth and Environmental Sciences, University of Missouri - Kansas City, Volker Campus 5110 Rockhill Road, Kansas City, MO 64110, BUSBY, Cathy, Earth and Planetary Sciences, University of California Davis, One Shields Ave, Davis, CA 95616, GRAETTINGER, Alison, Earth and Environmental Sciences, University of Missouri - Kansas City, 5100 Rockhill Rd, Kansas City, MO 64110-2446 and MINDRUP, Quinton, Department of Geology, Kansas State University, 108 Thompson Hall, Manhattan, KS 66506

102-25

173

OLIGOCENE AND MIOCENE IGNIMBRITES IN THE CONCEPCIÓN PENINSULA, GULF OF CALIFORNIA RIFT, BAJA CALIFORNIA SUR: BAJA BASINS NSF INTERNATIONAL RESEARCH EXPERIENCE FOR STUDENTS¹

MINDRUP, Quinton¹, BUSBY, Cathy², GRAETTINGER, Alison³, MCENANEY, Trenton⁴ and MUROWCHICK, James, PhD³, (1)Department of Geology, Kansas State University, 108 Thompson Hall, Manhattan, KS 66506, (2)Department of Earth and Planetary Sciences, University of California, Davis, Davis, CA 95616, (3)Earth and Environmental Sciences, University of Missouri - Kansas City, 5100 Rockhill Rd, Kansas City, MO 64110-2446, (4)Earth and Environmental Sciences, University of Missouri - Kansas City, Volker Campus 5110 Rockhill Road, Kansas City, MO 64110

102-26

174

STRATIGRAPHIC ANALYSIS OF THE UPPER MIOCENE BOLEO FORMATION AT ARROYO PROVIDENCIA, BAJA CALIFORNIA SUR, SOUTHWEST MARGIN OF THE PALEO-GULF OF CALIFORNIA

USHER, Evelyn¹, GARDNER, Kevin¹, DORSEY, Rebecca J.¹ and NIEMI, Tina², (1)Department of Earth Sciences, University of Oregon, Eugene, OR 97403, (2)Earth and Environmental Sciences, University of Missouri - Kansas City, Kansas City, MO 64110-2446

GSA Connects 2022 meeting in Denver, Colorado

T86. The Virtue of Fieldwork in Volcanology, Sedimentology, Structural Geology, and Tectonics (Posters): A Session to Honor Cathy Busby, MGPV Distinguished Geological Career Award Recipient of 2020