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2004 Denver Annual Meeting (November 7–10, 2004)

Session No. 186
Tuesday, 9 November 2004: 1:30 PM-5:30 PM

T93. Crustal Seismic Anisotropy as a Measure of Regional Tectonic Deformation (Posters)

GSA Geophysics Division; GSA Structural Geology & Tectonics Division

Authors will be present from .

 

Paper #
Booth #
1
86
CRUSTAL STRUCTURAL GEOLOGY OBSERVED BY SEISMIC ANISOTROPY
CHRISTENSEN, Nikolas I., geology and geophysics, Univ of Wisconsin Madison, Madison, WI 53706, OKAYA, David, Dept. Earth Sciences, Univ. Southern California, University of Southern California, Los Angeles, CA 90089-0740, MELTZER, Anne, Department of Earth and Environmental Sciences, Lehigh Univ, 31 Williams Dr, Bethlehem, PA 18015, BROCHER, Tom, USGS, Menlo Park, CA 94025 and HOLBROOK, Steven, Geology and Geophysics, Wyoming, Laramie, WY 82071, Chris@geology.wisc.edu, Chris@geology.wisc.edu
2
87
MODEL STRAIN AND MODEL FABRIC DEVELOPMENT IN 3D OBLIQUE OROGENS
KOONS, Peter O.1, UPTON, Phaedra1, JOHNSON, Scott2 and JESSELL, Mark3, (1)Earth Sciences, Univ of Maine, 5790 Bryand Global Sciences, Orono, ME 04469, (2)Earth Sciences, Univ of Maine, Orono, ME 04469, (3)Pe'trophysique, Tectonique et Ge'omorphologie, Universite Paul-Sabatier, Toulouse, 31400, France, phaedra.upton@maine.edu, phaedra.upton@maine.edu
3
88
CRUSTAL SEISMIC ANISOTROPY: IMPLICATIONS FOR UNDERSTANDING CRUSTAL DYNAMICS
MELTZER, Anne S., Lehigh Univ, 31 Williams Dr, Bethlehem, PA 18015-3188, OKAYA, David, Dept. Earth Sciences, Univ. Southern California, University of Southern California, Los Angeles, CA 90089-0740 and CHRISTENSEN, Nikolas I., Dept. Geology and Geophysics, University of Wisconsin-Madison, Madison, WI 53706, ameltzer@lehigh.edu, ameltzer@lehigh.edu
4
89
CHANNEL FLOW WITHIN THE TIBETAN CRUST: NEW OBSERVATIONAL EVIDENCE FROM SEISMIC ANISOTROPY
SHAPIRO, Nikolai M.1, RITZWOLLER, Michael H.1, MOLNAR, Peter2 and LEVIN, Vadim3, (1)Department of Physics, Univ of Colorado, Campus Box 390, Boulder, CO 80303-0390, (2)Department of Geological Sciences, Cooperative Institute for Research in Environmental Science, Univ of Colorado, Campus Box 399, Boulder, CO 80309, (3)Department of Geological Sciences, Rutgers Univ, Piscataway, NJ 08854, nshapiro@ciei.colorado.edu, nshapiro@ciei.colorado.edu
5
90
LITHOLOGIC HETEROGENEITY AND STRUCTURAL ORDERING IN SHEAR ZONES: POSSIBLE IMPLICATIONS FOR SEISMIC ANISOTROPY IN THE LOWER CRUST
WATERS-TORMEY, Cheryl1, GOODWIN, Laurel B.2 and TIKOFF, Basil1, (1)Department of Geology and Geophysics, Univ of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53706, (2)Department of Geology and Geophysics, University of Wisconsin Madison, 1215 W. Dayton St, Madison, WI 53706, cwaters@geology.wisc.edu, cwaters@geology.wisc.edu
6
91
ANISOTROPY AT THE BASE OF THE SIERRA NEVADA BATHOLITH AS INFERRED FROM PASSIVE SEISMIC OBSERVATIONS: TRIGGER OR RESULT OF ROOT REMOVAL
GILBERT, Hersh J.1, JONES, Craig H.2 and ZANDT, George1, (1)Department of Geosciences, Univ of Arizona, Gould-Simpson Building 1040 E. 4th Street, Tucson, AZ 85721, (2)Department of Geological Sciences and CIRES, Univ of Colorado, Boulder, CB 399, Boulder, CO 80309, hgilbert@geo.arizona.edu, hgilbert@geo.arizona.edu
7
92
THE OROCOPIA-PELONA SCHIST TERRANE, SOUTHERN CALIFORNIA AND SOUTHWEST ARIZONA: A CALIBRATED TARGET FOR CRUSTAL SEISMIC ANISOTROPY STUDIES
HAXEL, Gordon B., US Geol Survey, 2255 N Gemini Dr, Flagstaff, AZ 86001-1637, CHRISTENSEN, Nikolas, Dept. Geology and Geophysics, Univ of Wisconsin, University of Wisconsin, Madison, WI 53706-1692, OKAYA, David, Dept. Earth Sciences, Univ. Southern California, University of Southern California, Los Angeles, CA 90089-0740 and JACOBSON, Carl, Dept. Geological and Atmospheric Sciences, Iowa State Univ, Ames, IA 50011-3212, ghaxel@usgs.gov, ghaxel@usgs.gov
8
93
ANISOTROPIC SEISMIC RESPONSE OF CRUSTAL TECTONIC FEATURES
OKAYA, David, Dept. Earth Sciences, Univ. Southern California, University of Southern California, Los Angeles, CA 90089-0740, CHRISTENSEN, Nikolas, Dept. Geology and Geophysics, Univ of Wisconsin, University of Wisconsin, Madison, WI 53706-1692 and MELTZER, Anne, Department of Earth and Environmental Sciences, Lehigh Univ, 31 Williams Dr, Bethlehem, PA 18015, okaya@usc.edu, okaya@usc.edu
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