2008 Joint Meeting of The Geological Society of America, Soil Science Society of America, American Society of Agronomy, Crop Science Society of America, Gulf Coast Association of Geological Societies with the Gulf Coast Section of SEPM

Session No. 223
Tuesday, 7 October 2008: 8:00 AM-12:00 PM

Structural Geology / Tectonics / Neotectonics/Paleoseismology II

 

Timothy L. Clarey and Jonathan E. Snow, Chairs
Paper #
Start Time
1
8:00 AM
Numerical Models of Deformation for the Askja Volcano Complex and Rift Segment, Iceland
DICKINSON, H.1, MASTERLARK, T.1, SIGMUNDSSON, F.2, OFEIGSSON, B.2 and STURKELL, E.2, (1)Department of Geological Sciences, University of Alabama, Box 870338, Tuscaloosa, AL 35487, (2)Institute of Earth Sciences - Nordic Volcanological Center, University of Iceland, Sturlugata 7, Reykjavik, IS-101, Iceland, dicki009@bama.ua.edu, dicki009@bama.ua.edu
2
8:15 AM
Geology of the Arctic Ridge System
SNOW, Jonathan E., Geosciences, University of Houston, Houston, TX 77204, DICK, Henry, Department of Geology and Geophysics, Woods Hole Oceanographic Institute, Woods Hole, MA 02543 and HELLEBRAND, Eric, SOEST - University of Hawaii, SOEST - University of Hawaii, 1680 East-West Road, POST612B, Honolulu, HI 96822, jesnow@uh.edu, jesnow@uh.edu
3
8:30 AM
Amagmatic Accretionary Segments, Ultraslow Spreading, and How Continents Break
DICK, Henry J.B., Geology and Geophysics, Woods Hole Oceanographic Institution, Woods Hole, MA 02543 and SNOW, Jonathan E., Earth and Atmospheric Sciences, University of Houston, Houston, TX 77204, hdick@whoi.edu, hdick@whoi.edu
4
8:45 AM
Postrift Deformation on the Passive Margin of Nova Scotia, Canada: Is It Really Passive?
DURCANIN, Michael A., WITHJACK, Martha Oliver and SCHLISCHE, Roy W., Earth and Planetary Sciences, Rutgers Univ, 610 Taylor Road, Piscataway, NJ 08854-8066, mdurca1@eden.rutgers.edu, mdurca1@eden.rutgers.edu
5
9:00 AM
Developing and Testing a Model to Quantify Extension of Passive Margins with Implications for Sea Level Change
KIRSCHNER, J.P., Geosciences, Western Michigan University, 1187 ROOD Hall, Kalamazoo, MI 49008 and KOMINZ, M.A., Geosciences, Western Michigan University, 1187 Rood Hall, Kalamazoo, MI 49008, j3kirsch@wmich.edu, j3kirsch@wmich.edu
6
9:15 AM
Experimental Modeling of Transfer Zones In Listric Normal Fault Systems
BOSE, Shamik, School of Geology and Geophysics, Univ of Oklahoma, 100 East Boyd Street, Ste 710, Norman, OK 73019 and MITRA, Shankar, ConocoPhillips School of Geology and Geophysics, University of Oklahoma, 100 E Boyd St, SEC 810, Norman, OK 73019, shamik.bose-1@ou.edu, shamik.bose-1@ou.edu
7
9:30 AM
The Role of the Sheephead Fault Zone In Bounding Neogene Extension and Magmatism In the Death Valley Area, California
RENIK, Byrdie and CHRISTIE-BLICK, Nicholas, Department of Earth and Environmental Sciences and Lamont-Doherty Earth Observatory of Columbia University, P.O. Box 1000, Palisades, NY 10964, renik@ldeo.columbia.edu, renik@ldeo.columbia.edu
8
9:45 AM
Basin Geometry, Fault Offsets, and Influence of Pre-Existing Structure IN the Northern Colorado River Extensional Corridor and the Lake Mead REGION, Nevada and Arizona
LANGENHEIM, V.E., U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, BEARD, Sue, U.S. Geological Survey, 2255 N. Gemini Drive, Flagstaff, AZ 86001 and FAULDS, James E., Nevada Bureau of Mines and Geology, University of Nevada, Reno, NV 89557, zulanger@usgs.gov, zulanger@usgs.gov
9
10:00 AM
Role of Fault Interactions in the Evolution of the Rio Grande Rift of North-Central New Mexico: Insights from Numerical Experiments
GOTETI, Rajesh, Department of Earth & Environmental Sciences, University of Rochester, 227 Hutchison Hall, River Campus, Rochester, NY 14627, MITRA, Gautam, Department of Earth & Environmental Sciences, University of Rochester, Rochester, NY 14627, SUSSMAN, Aviva, Dept. Earth and Planetary Sciences, University of New Mexico, MSC 03 2040, Albuquerque, NM 87131 and LEWIS, Claudia, Los Alamos, NM 87545, gsrajesh@earth.rochester.edu, gsrajesh@earth.rochester.edu
 
10:15 AM
Break
10
10:30 AM
Rock Deformation at the Base of Large Carbonate Block Slides: The Key to Assessing Emplacement Mode
ANDERS, Mark H., Department of Earth and Environmental Sciences and Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY 10968, FOUKE, Bruce W., Department of Geology, Univ of Illinois at Urbana-Champaign, 1301 West Green Street, Urbana, IL 61801 and LOSH, Steven, Dept. of Chemistry and Geology, Minnesota State University, Mankato, MN 56001, manders@ldeo.columbia.edu, manders@ldeo.columbia.edu
11
10:45 AM
Gravity Sliding: An Under-Recognized Phenomenon in the Basin and Range Province?
WALKER, Christopher David, BP America Inc, 501 Westlake Park Boulevard, WL2 653c, Houston, TX 77079 and ANDERS, M.H., Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY 10964, walk40@bp.com, walk40@bp.com
12
11:00 AM
The Case against a Gravity-Slide Origin for Low-Angle Faults in the Mormon – Beaver Dam Mountains (MBDM) Extensional Corridor, Southeastern Nevada and Southwestern Utah
AXEN, Gary, Department of Earth & Environmental Science, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801, gaxen@ees.nmt.edu, gaxen@ees.nmt.edu
13
11:15 AM
Basin-and-Range Border Fault Geometry in NV-UT-AZ Region: Steep-Dip Normal Fault Model Versus Shallow-Dip Detachment Model
CARPENTER, James A., P.O. Box 2146, R Lacy Inc, 222 East Tyler Street, Longview, TX 75606, jcarpenter@rlacyinc.com, jcarpenter@rlacyinc.com
14
11:30 AM
The Break-Away Point of the South Fork Superfault: A Catastrophic Gravity Slide, Wyoming, USA
CLAREY, Timothy L., Geology, Delta College, 1961 Delta Road, D-165, University Center, MI 48710, tlclarey@delta.edu, tlclarey@delta.edu
15
11:45 AM
A Re-Evaluation of the Million Hills Wash Fault, South Virgin Mountains, Nevada
CHRISTIE-BLICK, Nicholas1, SCHON, Samuel C.2 and SPIEGELMAN, Marc1, (1)Department of Earth and Environmental Sciences and Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY 10964, (2)Department of Geological Sciences, Brown University, 324 Brook St, Box 1846, Providence, RI 02912, ncb@ldeo.columbia.edu, ncb@ldeo.columbia.edu