GSA 2020 Connects Online

Session No. 238
Friday, 30 October 2020: 10:00 AM-2:00 PM

T4. Fluids in Faults—The Role of Fluid Activity, Fault-Rock Composition, and Alteration in the Earthquake Cycle

GSA Structural Geology and Tectonics Division; GSA Geophysics and Geodynamics Division; GSA Hydrogeology Division

 

Elisabeth S. Nadin, Elizabeth S. Petrie, Randolph T. Williams and Kelly K. Bradbury, Advocates
Paper #
Start Time
 
10:00 AM
Introductory Remarks
10:05 AM
FLUID PRESSURE VARIATIONS: IMPLICATIONS FOR THE ROCK RECORD OF EPISODIC TREMOR AND SLIP
JONES, Allison D., Department of Geoscience, University of Wisconsin-Madison, 1215 West Dayton Street, Madison, WI 53706, WILLIAMS, Randolph T., Department of Geoscience, University of Wisconsin-Madison, 1215 West Dayton Street, Madison, WI 53706 and GOODWIN, Laurel B., Department of Geoscience, University of Wisconsin-Madison, Madison, WI 53706
10:20 AM
LINKING FAULT-RELATED INJECTION VEINS TO PALEOEARTHQUAKE CYCLES: OBSERVATION FROM THE MUDDY MOUNTAIN THRUST, NV, USA
ANGOMBE, Moses, BILODEAU, Maude and ROWE, Christie D., Dept of Earth and Planetary Sciences, McGill University, 3450 University street, Montreal, QC H3A 0E8, Canada
10:35 AM
EXPERIMENTAL DETERMINATION OF FRICTIONAL PROPERTIES AND FAULT STABILITY AT THE HOTTEST ONSHORE GEOTHERMAL PROJECT IN THE UK, THE PORTHOWAN FAULT (Invited Presentation)
SANCHEZ-ROA, Catalina1, MITCHELL, Thomas M.1, STANTON-YONGE, Ashley1, MEREDITH, Philip1, OELKERS, Eric1, JONES, Adrian P.1 and STRIOLO, Alberto2, (1)Department of Earth Sciences, University College London, Gower Street, London, WC1E 6BT, United Kingdom, (2)Department of Chemical Engineering, University College London, London, WC1E 6BS, United Kingdom
10:50 AM
STRUCTURAL AND NEOTECTONIC CONTROLS ON HYDROTHERMAL UPWELLINGS IN THE SOUTHEASTERN CANADIAN CORDILLERA
FINLEY, Theron, Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences Building, Edmonton, AB T6G 2E3, Canada, JOHNSTON, Stephen, Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Sciences, Edmonton, AB T6G 2E3, Canada, UNSWORTH, Martyn, Physics, University of Alberta, Edmonton, AB T6G 2E1, Canada, BANKS, Jonathan C., Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada and PANA, Dinu, Alberta Geological Survey, Alberta Energy Regulator, #402, Twin Atria Building, 4999-98 Ave, Edmonton, AB T6B 2X3, Canada
11:05 AM
EVIDENCE FOR METEORIC FLUID INFILTRATION INTO A YOUNG, ACTIVE MID-CRUSTAL SHEAR ZONE: δ2H OF MICA FISH FROM THE CORDILLERA BLANCA SHEAR ZONE, PERUVIAN ANDES
GRAMBLING, Tyler A.1, JESSUP, Micah J.1, NEWELL, Dennis L.2, METHNER, Katharina3, MULCH, Andreas4, HUGHES, Cameron A.1 and SHAW, Colin A.5, (1)Department of Earth and Planetary Sciences, University of Tennessee, 1621 Cumberland Ave., Knoxville, TN 37996-1526, (2)Department of Geosciences, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505, (3)Stanford University, Geological and Environmental Sciences, 450 Serra Mall, Stanford, CA 94305, (4)Institute of Geosciences, Goethe University Frankfurt, Altenhoeferallee 1, Frankfurt am Main, 60438, Germany; Senckenberg Biodiversity and Climate Research Centre (BiK-F), Senckenberganlage 25, Frankfurt am Main, 60325, Germany, (5)Department of Earth Sciences, Montana State University, P.O. Box 173480, Bozeman, MT 59717
11:20 AM
CONSTANT VS APERTURE-DEPENDENT FRACTURE CEMENTATION RATES IN FAULT ZONES: INVESTIGATION OF FLUID FLOW BEHAVIOR IN DISCRETE FRACTURE NETWORK MODELS
ROMANO, Carla R., Department of Geoscience, University of Wisconsin - Madison, 1215 W Dayton St, Madison, WI 53706, WILLIAMS, Randolph T., Department of Geoscience, University of Wisconsin-Madison, 1215 West Dayton Street, Madison, WI 53706 and GOODWIN, Laurel B., Department of Geoscience, University of Wisconsin-Madison, Madison, WI 53706
 
11:35 AM
Discussion #1
11:50 AM
A BIOMARKER ALTERATION HISTORY OF EARTHQUAKES ON THE CENTRAL SAN ANDREAS FAULT, CALIFORNIA (Invited Presentation)
COFFEY, Genevieve L., Seismology, Geology, and Tectonophysics, Lamont Doherty Earth Observatory, Columbia University, 61 Route 9W, Palisades, NY 10964, SAVAGE, Heather M., Department of Earth and Planetary Science, UC, Santa Cruz, 1156 High St, Santa Cruz, CA 95064, POLISSAR, Pratigya J., Earth and Planetary Science, University of California Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, COX, Stephen E., Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, HEMMING, Sidney R., Hamilton College, Clinton, NY 13323, WINCKLER, Gisela, Lamont-Doherty Earth Observatory, Route 9W, Palisades, NY NY 10964 and BRADBURY, Kelly K., Department of Geosciences, Utah State University, 4505 Old Main Hill, Logan, UT 84322
12:05 PM
12:20 PM
THE PARADOX OF SEISMIC RUPTURE IN SERPENTINIZED PERIDOTITES
HOSSEINZADEHSABETI, Elham, School of Geosciences, University of Louisiana at Lafayette, 611 McKinley Street, Hamilton Hall, Room 336, Lafayette, LA 70504, FERRE, Eric C., School of Geosciences, University of Louisiana at Lafayette, 611 McKinley Street, Hamilton Hall, Room 323, Lafayette, LA 70504 and GEISSMAN, John W., Department of Geosciences, University of Texas at Dallas, 800 West Campbell Road, ROC 21, Richardson, TX 75080
12:35 PM
FAULT CORE ARCHITECTURE AND EVOLUTION IN BASALTS: IMPLICATIONS FOR MECHANICAL AND FLUID-MEDIATED WEAKENING
BAMBERG, Bob, WALKER, Richard J. and REICHOW, Marc K., School of Geography, Geology, and the Environment, University of Leicester, University Road, Leicester, LE1 7RH, United Kingdom
12:50 PM
LARGE ZONES OF DAMAGE AND FLUID FLOW IN CONTINENTAL STRIKE-SLIP FAULTS – THE POST LATE CRETACEOUS HISTORY OF THE LAKE CLARK FAULT IN SOUTH-CENTRAL ALASKA
CAINE, Jonathan Saul1, TODD, Erin2, LEASE, Richard O.2, JONES III, James V.2 and BENZEL, William M.1, (1)U.S. Geological Survey, Geology, Geophysics, and Geochemistry Science Center, Denver, CO 80225, (2)U.S. Geological Survey, Alaska Science Center, Anchorage, AK 99508
 
1:05 PM
Discussion #2
1:20 PM
EVIDENCE FOR SYNKINEMATIC ALTERATION AND WEAKENING IN THE SHALLOW PARTS OF LARGE-DISPLACEMENT STRIKE-SLIP FAULTS
EVANS, James P., CROUCH, Kaitlyn A. and STUDNICKY, Caroline, Department of Geosciences, Utah State University, 4505 Old Main Hill, Logan, UT 84322
1:30 PM
HOW FAULT ROCKS FORM AND MATURE IN THE SHALLOW SAN ANDREAS FAULT
WILLIAMS, Randolph T., Department of Geoscience, University of Wisconsin-Madison, 1215 West Dayton Street, Madison, WI 53706, ROWE, Christie D., Dept of Earth and Planetary Sciences, McGill University, 3450 University street, Montreal, QC H3A 0E8, Canada, OKAMOTO, Kristina, Department of Earth and Planetary Sciences, University of California, 1156 High Street, Santa Cruz, CA 95064; Department of Earth and Planetary Science, UC, Santa Cruz, 1156 High St, Santa Cruz, CA 95064, SAVAGE, Heather M., Department of Earth and Planetary Science, UC, Santa Cruz, 1156 High St, Santa Cruz, CA 95064 and EVES, Erin, Department of Earth and Planetary Sciences, McGill University, 3450 University street, Montreal, QC H3A 0E8, Canada
1:40 PM
ORIENTATION, COMPOSITION, AND ENTRAPMENT CONDITIONS OF FLUID INCLUSIONS IN THE RAFT RIVER DETACHMENT SHEAR ZONE
HUGHES, Brendan1, GOTTARDI, Raphaël1 and CASALE, Gabriele2, (1)School of Geosciences, University of Louisiana at Lafayette, 611 McKinley Street, Hamilton Hall, Lafayette, LA 70504, (2)Geological and Environmental Sciences, Appalachian State University, 572 Rivers Street, Boone, NC 28608
1:50 PM
SEISMIC FAILURE ALONG THE CADILLAC-LARDER LAKE FAULT ZONE AND ITS IMPLICATIONS ON THE DISTRIBUTION OF OROGENIC GOLD DEPOSITS
BEDEAUX, Pierre, RAFINI, Silvain and DAIGNEAULT, Réal, Centre d'Études sur les Ressources Minérales, Université du Québec à Chicoutimi, 555, boulevard de l'Université, Chicoutimi, QC G7H2B1, Canada
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