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Southeastern Section - 50th Annual Meeting (April 5-6, 2001)

Session No. 6
Thursday, 5 April 2001: 8:15 AM-12:00 PM

S4. Advances in Geochronology and Thermochronology in the Appalachian Orogen

 

Brent Miller and Scott Samson, Conveners
Paper #
Start Time
 
8:15 AM
Introductory Remarks
0
8:20 AM
40AR/39AR DATA FROM THE WESTERN BLUE RIDGE AND THEIR IMPLICATIONS FOR TIMING OF METAMORPHISM
STELTENPOHL, Mark G.1, HAMES, Willis E.1, KUNK, Michael J.2 and MIES, Jonathan W.3, (1)Auburn, AL 36849, (2)USGS, MS 974, Box 25046, DFC, Denver, CO 80225, (3)Univ Tennessee–Chattanooga, 615 McCallie Ave, Chattanooga, TN 37403-2504, steltmg@auburn.edu, steltmg@auburn.edu
0
8:40 AM
APPLICATIONS OF LASER 40AR/39AR DATING TO STUDIES OF APPALACHIAN METAMORPHIC EVOLUTION, EXAMPLES FROM NEW ENGLAND AND THE SOUTHWESTERN BLUE RIDGE
HAMES, Willis E.1, STELTENPOHL, Mark G.1 and TRACY, Robert J.2, (1)Department of Geology, Auburn Univ, 210 Petrie Hall, Auburn, AL 36849, (2)Geological Sciences, Virginia Tech, Blacksburg, VA 24061-0420, hameswe@auburn.edu, hameswe@auburn.edu
0
9:00 AM
ION MICROPROBE ANALYSES OF ZIRCON RIMS FROM THE EASTERN BLUE RIDGE AND INNER PIEDMONT, NC-SC-GA: IMPLICATIONS FOR THE TIMING OF PALEOZOIC METAMORPHISM IN THE SOUTHERN APPALACHIANS
CARRIGAN, Charles W.1, BREAM, Brendan R.2, MILLER, Calvin F.3 and HATCHER, Robert D., Jr2, (1)Department of Geological Sciences, Univ. of Michigan, 2534 C.C. Little Bldg, 425 E. University Ave, Ann Arbor, MI 48109-1063, (2)Department of Geological Sciences, Univ. of Tennessee, 306 Geology Building, Knoxville, TN 37996-1410, (3)Department of Geology, Vanderbilt Univ, P.O. Box 35-1805 Station B, Nashville, TN 37235, cwcarrig@umich.edu, cwcarrig@umich.edu
0
9:20 AM
TIMING OF GRENVILLE-AGE MAGMATISM AND DEFORMATION, BLUE RIDGE PROVINCE, CENTRAL VIRGINIA
TOLLO, Richard P., Department of Earth and Environmental Sciences, George Washington Univ, Washington, DC 20052 and ALEINIKOFF, John N., U.S. Geol Survey, Denver, CO 80225, rtollo@gwu.edu, rtollo@gwu.edu
0
9:40 AM
U-PB CLOSURE TEMPERATURES AND METAMORPHIC COOLING RATES FROM COEXISITING RUTILE AND TITANITE
MILLER, Brent V., Department of Geological Sciences, Univ of North Carolina, Chapel Hill, NC 27599, bvmiller@email.unc.edu, bvmiller@email.unc.edu
 
10:00 AM
Break
0
10:20 AM
AGE AND SIGNIFICANCE OF THE FALLS LEUCOGNEISS
CASLIN, Lauren1, STODDARD, Edward F.1 and MILLER, Brent V.2, (1)Marine, Earth and Atmospheric Sciences, North Carolina State Univeristy, Raleigh, NC 27695, (2)Geological Sciences, Univ of North Carolina at Chapel Hill, Chapel Hill, NC 27599, lacaslin@unity.ncsu.edu, lacaslin@unity.ncsu.edu
0
10:40 AM
A COMPARISON OF ZIRCON AND MONAZITE U-PB AGES FROM THE ROLESVILLE BATHOLITH, NC: LESSONS FROM MISBEHAVING MINERALS
SCHNEIDER, David, Department of Earth Sciences, Syracuse Univ, Syracuse, NY 13244 and SAMSON, Scott, Department of Earth Sciences, Syracuse University, 310 Heroy Geology Laboratory, Syracuse University, Syracuse, NY 13244, daschn01@syr.edu, daschn01@syr.edu
0
11:00 AM
TIMING OF ALLEGHANIAN MAGMATISM REVISITED
SAMSON, Scott D., Earth Sciences, Syracuse University, Syracuse, NY 13244-1070, sdsamson@syr.edu, sdsamson@syr.edu
0
11:20 AM
GEOCHRONOLOGY AND "TERRANOLOGY": THE ON-GOING ROLE OF U-PB DATING IN UNRAVELLING TERRANES IN SOUTHERN NEW BRUNSWICK, CANADA
BARR, Sandra M., Department of Geology, Acadia Univ, Wolfville, NS B0P 1X0, Canada, MILLER, Brent V., Geological Sciences, Univ of North Carolina at Chapel Hill, Chapel Hill, NC 27565 and WHITE, Chris E., N.S. Dept. Natural Resources, PO Box 698, Halifax, NS B3J 2T9, Canada, sandra.barr@acadiau.ca, sandra.barr@acadiau.ca
0
11:40 AM
ELECTRON MICROPROBE U-TH-PB GEOCHRONOLOGY OF MONAZITES IN CONTACT METAMORPHOSED ALUMINOUS ROCKS OF THE MARTINSVILLE INTRUSIVE COMPLEX, SMITH RIVER ALLOCHTHON, VIRGINIA
TRACY, Robert J., Geological Sciences, Virginia Tech, Blacksburg, VA 24061-0420, BEARD, James S., VMNH, Martinsville, VA 24112 and HENIKA, William S., VA Dept. Mines, Minerals and Energy; and Geol Sciences, Virginia Tech, Blacksburg, VA 24061-0420, rtracy@vt.edu, rtracy@vt.edu
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