Southeastern Section–56th Annual Meeting (29–30 March 2007)

Session No. 4
Thursday, 29 March 2007: 8:00 AM-12:00 PM

T18. "Great" Unconformities in the Appalachians: Their Temporal and Tectonic Significance

GSA Structural Geology and Tectonics Division

 

Christopher M. Bailey and William A. Thomas, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:20 AM
ANATOMY OF AN UNCONFORMITY
CHOWNS, Timothy M., Geosciences, University of West Georgia, Carrollton, GA 30118, tchowns@westga.edu, tchowns@westga.edu
2
8:40 AM
INTERPRETING THE ORIGIN AND NATURE OF UNCONFORMITIES IN THE APPALACHIAN FORELAND BASIN
ETTENSOHN, Frank R., Department of Earth and Environmental Sciences, University of Kentucky, 101 Slone Building, Lexington, KY 40506, fettens@uky.edu, fettens@uky.edu
3
9:00 AM
THE POST-KNOX UNCONFORMITY: PRODUCT OF GLOBAL, NOT REGIONAL PROCESSES
HATCHER Jr, Robert D., Earth and Planetary Sciences and Science Alliance Center of Excellence, University of Tennessee, Knoxville, TN 37996-1410 and REPETSKI, John E., US Geol Survey, 926A National Ctr, Reston, VA 20192, bobmap@utk.edu, bobmap@utk.edu
4
9:20 AM
FOUR UNCONFORMITIES IN THE SOUTHERN APPALACHIAN ORDOVICIAN-MISSISSIPPIAN SUCCESSION
THOMAS, William A., Department of Geological Sciences, University of Kentucky, 101 Slone Bldg, Lexington, KY 40506-0053, geowat@uky.edu, geowat@uky.edu
 
9:40 AM
Break
5
10:00 AM
CHARACTERISTICS AND SIGNIFICANCE OF REGIONAL UNCONFORMITIES IN SOUTHERN APPALACHIAN METAMORPHIC TERRANES
TULL, James F., Department of Geological Sciences, Florida State University, Tallahassee, FL 32306, tull@gly.fsu.edu, tull@gly.fsu.edu
6
10:20 AM
TIME VERSUS TECTONIC SIGNIFICANCE: THE DISCONFORMITY AT THE BASE OF THE CHILHOWEE GROUP AND THE NEOPROTEROZOIC-CAMBRIAN BOUNDARY
SOUTHWORTH, Scott, U.S. Geological Survey, 926A National Center, Reston, VA 20192 and ALEINIKOFF, John N., U.S. Geological Survey, MS 963, Denver, CO 80225, Ssouthwo@usgs.gov, Ssouthwo@usgs.gov
7
10:40 AM
THE NEOPROTEROZOIC-MESOPROTEROZOIC UNCONFORMITIES IN THE VIRGINIA BLUE RIDGE
BAILEY, Christopher M., Department of Geology, College of William & Mary, Williamsburg, VA 23187, cmbail@wm.edu, cmbail@wm.edu
8
11:00 AM
COARSE EPICLASTIC AND VOLCANICLASTIC METASEDIMENTARY ROCKS DEPOSITED ALONG THE LATE PROTEROZOIC/MIDDLE PROTEROZOIC BOUNDARY IN SW VA
HENIKA, William Sinclair, Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061, bhenika@vt.edu, bhenika@vt.edu
9
11:20 AM
TWO SOUTHERN APPALACHIAN PIEDMONT PALEOZOIC UNCONFORMITIES AND THEIR SIGNIFICANCE
DENNIS, Allen J., Biology and Geology, University of South Carolina Aiken, Aiken, SC 29801-6309, dennis@sc.edu, dennis@sc.edu
 
11:40 AM
Concluding Remarks
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