GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 26
Sunday, 22 October 2017: 8:00 AM-12:00 PM
Tahoma 2 (The Conference Center)

T216. Spatiotemporal Variations and the Role of Fluids in Fault-Zone Hydromechanical Processes

GSA Structural Geology and Tectonics Division; GSA Hydrogeology Division; GSA Energy Geology Division; Future of Tectonics Initiative
Keith R. Hodson, Elizabeth S. Petrie and Randolph T. Williams, Advocates
 
8:00 AM
Introductory Remarks
8:05 AM
PERMEABILITY GENERATION AND MAINTENANCE AT STRUCTURAL DISCONTINUITIES: A PERSPECTIVE FROM GEOTHERMAL FIELDS (Invited Presentation)
SILER, Drew L.1, HINZ, Nicholas H.2 and FAULDS, James E.2, (1)GMEG, USGS, 345 Middlefield Rd, Menlo Park, CA 94061, (2)Nevada Bureau of Mines and Geology, University of Nevada, Reno, NV 89557, dsiler@usgs.gov
8:25 AM
CHEMICALLY ASSISTED FRACTURE GROWTH IN HYDROTHERMAL SYSTEMS: EXPERIMENTAL RESULTS
CALLAHAN, Owen A.1, EICHHUBL, Peter1, OLSON, Jon E.2 and DAVATZES, Nicholas C.3, (1)Bureau of Economic Geology, Jackson School of Geosciences, The University of Texas at Austin, 10100 Burnet Road, Austin, TX 78758, (2)Dept. of Petroleum and Geosystems Engineering, The University of Texas at Austin, 200 E. Dean Keeton St., Stop C0300, Austin, TX 78712, (3)Earth and Environmental Science, Temple University, Beury Hall, 1901 N. 13th Street, Philadelphia, PA 19122, ocallahan@utexas.edu
8:40 AM
REPEATED HYDRAULIC (AND COSEISMIC?) FRACTURING FORMING M-SCALE DILATIONAL STRUCTURES: A PILOT STUDY FROM THE JERVOIS RANGE REGION, CENTRALI AUSTRALIA
MONTOYA, Leslie Marie, Geosciences and Natural Resources Department, Western Carolina University, 331 Stillwell Building, Cullowhee, NC 28723, WATERS-TORMEY, Cheryl, Geosciences & Natural Resources, Western Carolina University, Cullowhee, NC 28723 and CASALE, Gabriele, Department of Geological and Environmental Sciences, Appalachian State University, 572 Rivers Street, Boone, NC 28608, lmmontoya1@catamount.wcu.edu
8:55 AM
TENSION VEINS AS EVIDENCES OF LOCALIZED FLUID DISCHARGE IN SUBDUCTION ZONES: AN EXAMPLE OF NOBEOKA THRUST, SOUTHWESTERN JAPAN
OTSUBO, Makoto, Geological Survey of Japan/AIST, Tsukuba, 305-8567, Japan; US Geological Survey, Menlo Park, CA 94025, HARDEBECK, Jeanne, US Geological Survey, Menlo Park, CA 94025, MIYAKAWA, Ayumu, Geological Survey of Japan/AIST, Tsukuba, 305-8567, Japan, YAMAGUCHI, Asuka, University of Tokyo, Kashiwa, 277-8564, Japan and KIMURA, Gaku, Tokyo University of Marine Science and Technology, Tokyo, 108-8477, Japan, otsubo-m@aist.go.jp
9:10 AM
GROUNDWATER LEVEL RESPONSE TO FRACTURING ASSOCIATED WITH COAL MINE SUBSIDENCE AND METHANE GAS EXPLOSION
ECKSTEIN, Yoram, P.O. Box 3026, Kent, OH 44240, yoram.eckstein@att.net
9:25 AM
CHANGES IN WELL WATER LEVELS AND TRIGGERED EARTHQUAKES AFTER PASSAGE OF TELESEISMIC WAVES IN LONG VALLEY CALDERA, 2000-2017
RANDOLPH-FLAGG, N.G., Dept. of Earth and Planetary Science, University of California at Berkeley, 307 McCone Hall, Berkeley, CA 94720; US Geol Survey, 345 Middlefield Road, Menlo Park, CA 94025, HURWITZ, Shaul, U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, MANGA, Michael, Department of Earth and Planetary Science, University of California, Berkeley, 307 McCone Hall, Berkeley, CA 94720-4767 and CLOR, Laura, USGS Volcano Science Center, 345 Middlefield Road, Menlo Park, CA 94025, nrflagg@berkeley.edu
 
9:40 AM
Break
9:55 AM
STRUCTURAL DIAGENESIS OF FAULTS IN SANDSTONE (Invited Presentation)
LAUBACH, Stephen E., Bureau of Economic Geology, Jackson School of Geosciences, The University of Texas at Austin, University Station, P.O. Box X, Austin, TX 78713-8924, steve.laubach@beg.utexas.edu
10:15 AM
EFFECT OF FLUIDS CHEMISTRY AND DIAGENESIS ON FRACTURE PROCESSES IN A FAULT ZONE
MAJOR, Jonathan R, Bureau of Economic Geology, The University of Texas at Austin, Austin, TX 78758 and EICHHUBL, Peter, Bureau of Economic Geology, Jackson School of Geosciences, The University of Texas at Austin, 10100 Burnet Road, Austin, TX 78758, JRMajor@utexas.edu
10:30 AM
ISOTOPIC RECORD OF FLUID-FAULT INTERACTION IN MODERN AND ANCIENT EXTENSIONAL SYSTEMS (Invited Presentation)
NEWELL, Dennis L.1, JESSUP, Micah J.2, KOGER, Jace1 and SCOTT, Brandt1, (1)Department of Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505, (2)Department of Earth and Planetary Sciences, University of Tennessee, Knoxville, TN 37996, dennis.newell@usu.edu
10:50 AM
DIAGENETIC CONDITIONS AND SOURCE FLUID COMPOSITIONS ASSOCIATED WITH MULTIPLE EPISODES OF CEMENTATION ALONG THE MOAB FAULT, UT
HODSON, Keith R., Dept. of Earth and Space Sciences, University of Washington, Seattle, WA 98195, CRIDER, Juliet G., Dept. Earth and Space Sciences, University of Washington, Seattle, WA 98195 and HUNTINGTON, Katharine W., Dept. Earth and Space Sciences, University of Washington, Seattle, WA 98195-1310, krhodson@uw.edu
11:05 AM
RADIOGENIC ISOTOPE ANALYSES REFINE CONSTRAINTS ON THE SEISMIC CYCLE OF AN INTRAPLATE NORMAL FAULT
WILLIAMS, Randolph T.1, GOODWIN, Laurel B.2, SHARP, Warren D.3, MOZLEY, Peter S.4, BEARD, Brian1 and JOHNSON, Clark M.2, (1)Department of Geoscience, University of Wisconsin-Madison, 1215 W Dayton St, Madison, WI 53706, (2)Department of Geoscience, University of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53706, (3)Berkeley Geochronology Center, 2455 Ridge Road, Berkeley, CA 94709, (4)Department of Earth & Environmental Science, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801, rtwilliams@wisc.edu
11:20 AM
FLUID SOURCES, PATHWAYS, AND DRIVING FORCES WITHIN FOLD-THRUST BELTS: THE CENTRAL WYOMING SALIENT OF THE SEVIER OROGEN
BRINK-ROBY, David, Earth and Environmental Studies, University of Rochester, 227 Hutchison Hall, Rochester, NY 14627, MITRA, Gautam, Department of Earth & Environmental Sciences, University of Rochester, 208A Hutchison Hall, Rochester, NY 14627, YONKEE, Adolph, Department of Geosciences, Weber State University, 2507 University Circle, Ogden, UT 84408 and EVANS, Mark A., Department of Geological Sciences, Central Connecticut State University, 1615 Stanley Street, New Britain, CT 06050, david.brink.roby@gmail.com
 
11:35 AM
Poster Preview
 
11:50 AM
Discussion
See more of: Technical Sessions