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2002 Denver Annual Meeting (October 27-30, 2002)

Session No. 30
Sunday, 27 October 2002: 8:00 AM-12:00 PM

T120. Structure and Tectonics of the Midcontinent, North America

GSA Structural Geology and Tectonics Division

 

Gregory C. Ohlmacher and Pieter Berendsen, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:15 AM
BASEMENT CONTROL ON PHANEROZOIC STRUCTURES AND TECTONICS - MIDCONTINENT USA
CARLSON, Marvin P., Nebraska Geological Survey, 113 NH University Nebraska, Lincoln, NE 68588-0517, mcarlson1@unl.edu, mcarlson1@unl.edu
2
8:30 AM
HINTS OF THE MID-CONTINENT BEYOND THE GRENVILLE OROGEN AND GONDWANAN INHERITANCE IN APPALACHIAN TERRANES
HATCHER Jr, Robert D., Department of Geological Sciences, Univ of Tennessee, 306 Geological Sciences Building, Knoxville, TN 37996-1410, BREAM, Brendan R., Geological Sciences, Univ of Tennessee, 306 Geological Sciences Building, Knoxville, TN 37996-1410, FULLAGAR, Paul D., Department of Geological Sciences, Univ of North Carolina, Chapel Hill, NC 27599-3315, MILLER, Calvin F., Vanderbilt Univ, Nashville, TN and CARRIGAN, Charles W., Department of Geological Sciences, Univ of Michigan, 2534 C.C. Little Bldg, Ann Arbor, MI 48109-1063, bobmap@utk.edu, bobmap@utk.edu
3
8:50 AM
LOCALIZED INTRAPLATE WEAK ZONES: SOURCES OF STRESS AND THE SPATIAL DISTRIBUTION OF SEISMIC SLIP
KENNER, Shelley J., Geological Sciences, Univ of Kentucky, 101 Slone Building, Lexington, KY 40506-0053, skenner@uky.edu, skenner@uky.edu
4
9:10 AM
PHANEROZOIC STRIKE-SLIP FAULTING IN THE CONTINENTAL INTERIOR PLATFORM OF THE UNITED STATES
MARSHAK, Stephen, Dept. of Geology, Univ. of Illinois, 1301 W. Green St, Urbana, IL 61801, NELSON, W. John, Illinois State Geol Survey, 615 E Peabody Dr, Champaign, IL 61820-6964 and MCBRIDE, John H., Department of Geology, Brigham Young University, P. O. Box 24606, Provo, UT 84602-4606, jnelson@isgs.uiuc.edu, jnelson@isgs.uiuc.edu
5
9:25 AM
MAKING THE CASE FOR FAULT REACTIVATION IN THE CENTRAL MID-CONTINENT
MCBRIDE, John H., Department of Geology, Brigham Young University, P. O. Box 24606, Provo, UT 84602-4606 and NELSON, W. John, Illinois State Geol Survey, 615 E Peabody Dr, Champaign, IL 61820-6964, john_mcbride@byu.edu, john_mcbride@byu.edu
6
9:45 AM
OLD RIFTS NEVER DIE: CRUSTAL THICKENING ACROSS THE MIDCONTINENT RIFT AND ITS POSSIBLE ROLE IN POST-RIFTING TECTONICS
GAO, Stephen S., LIU, Kelly H., CAO, Aimin, CHEN, Chizheng, HUBBARD, Mary S., ZACHARY, James A. and ZHANG, Yongkai, Geology, Kansas State Univ, 108 Thompson Hall, Manhattan, KS 66506-3201, sgao@ksu.edu, sgao@ksu.edu
 
10:00 AM
Break
7
10:15 AM
TERTIARY FAULTING WITHIN THE SOUTHEASTERN MARGIN OF THE REELFOOT RIFT, WESTERN TENNESSEE
VAN ARSDALE, Roy1, PARRISH, J. Shane1 and VELASCO, Maria2, (1)Dept. of Earth Sciences, Univ of Memphis, Smith Hall, Room 402, Memphis, TN 38152, (2)Fugro West Inc, 4820 McGrath St, Suite 100, Ventura, CA 93003, rvanrsdl@memphis.edu, rvanrsdl@memphis.edu
8
10:30 AM
THREE-PHASE LATE PALEOZOIC DEFORMATION OF THE SOUTHERN OZARK DOME, WESTERN BUFFALO RIVER REGION, NORTHERN ARKANSAS
HUDSON, Mark R., U.S. Geol Survey, Box 25046, MS 980, Denver, CO 80225-0046, mhudson@usgs.gov, mhudson@usgs.gov
9
10:45 AM
CHARACTERIZATION OF MIDDLE PROTEROZOIC STRAIN IN THE MID-CONTINENT: EVIDENCE FROM THE “BARABOO INTERVAL” QUARTZITES (1700 MA) USING THREE STRAIN-GAUGE TECHNIQUES
MCKIERNAN, Alexander Wells and CRADDOCK, John P., Geology, Macalester College, 1600 Grand Avenue, St. Paul, MN 55105, amckiernan@macalester.edu, amckiernan@macalester.edu
10
11:00 AM
MECHANICS OF CONTRACTIONAL-STEPOVER FORMATION, REGIONAL STRESSES, AND BASEMENT-FAULT REACTIVATION ASSOCIATED WITH THE HUMBOLDT FAULT IN KANSAS
OHLMACHER, Gregory C., Kansas Geological Survey, Univ of Kansas, 1930 Constant Ave, Lawrence, KS 66047 and BERENDSEN, Pieter, Kansas Geological Survey, Univ of Kansas, 1930 Constant Avenue, Lawrence, KS 66047, ohlmac@kgs.ukans.edu, ohlmac@kgs.ukans.edu
11
11:15 AM
JOINTS, FAULTS, ANGULAR UNCONFORMITIES-HARLAN COUNTY LAKE, NEBRASKA
DIFFENDAL Jr, R.F., Conservation and Survey Division, Univ of Nebraska, 113 Nebraska Hall, Lincoln, NE 68588-0517, rfd@unl.edu, rfd@unl.edu
12
11:30 AM
REACTIVATED PRECAMBRIAN FAULTS IN THE APPALACHIAN BASIN OF NYS
JACOBI, Robert D., FOUNTAIN, John C., NELSON, Travis and LUGERT, Courtney, Geology, UB Rock Fracture Group, SUNY at Buffalo, 876 NSC, Buffalo, NY 14260, rdjacobi@acsu.buffalo.edu, rdjacobi@acsu.buffalo.edu
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