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South-Central Section (37th) and Southeastern Section (52nd), GSA Joint Annual Meeting (March 12–14, 2003)

Session No. 25
Friday, 14 March 2003: 1:00 PM-4:00 PM

Petrology and Structural Geology

 

Matthew I. Leybourne, Chair
Paper #
Start Time
1
1:00 PM
Withdrawn
2
1:20 PM
VARIATIONS IN ALKALI FELDSPAR/MELT TRACE-ELEMENT PARTITIONING DURING FRACTIONATION OF PERALKALIC QUARTZ TRACHYTE-RHYOLITE SUITES
WHITE, John Charles1, PARKER, Don F.2 and REN, Minghua2, (1)Department of Geological, Environmental, and Marine Sciences, Elizabeth City State Univ, Campus Box 971, 1704 Weeksville Road, Elizabeth City, NC 27909, (2)Dept. of Geology, Baylor Univ, Waco, TX 76798-7354, rhyolite@adelphia.net, rhyolite@adelphia.net
3
1:40 PM
A FIELD STUDY OF EOCENE INTRUSIVE ROCKS AND THEIR SURROUNDINGS IN HIGHLAND COUNTY, VIRGINIA
TSO, Jonathan L. and SURBER, John D., Department of Geology, Radford Univ, Box 6939, Radford, VA 24142, jtso@radford.edu, jtso@radford.edu
4
2:00 PM
THE MIDWAY SILL, LLANO UPLIFT, CENTRAL TEXAS: TOWN MOUNTAIN GRANITE? NO
SMITH, R.K.1, BOYER, Ben1 and GIBBS, Tyson2, (1)Department of Earth and Environmental Science, The University of Texas at San Antonio, San Antonio, TX 78249-0663, (2)Department of Earth and Environmental Science, The Univ of Texas at San Antonio, San Antonio, TX 78249-0663, rsmith@utsa.edu, rsmith@utsa.edu
5
2:20 PM
RECOGNITION OF MESOPROTEROZOIC DUCTILE SHEAR ALONG THE BLACK FAULT IN SOUTHEASTERN MISSOURI
LOWELL, Gary R., Geosciences, Southeast Missouri State Univ, Cape Girardeau, MO 63701 and CLENDENIN, C.W., S. C. Department of Natural Resources, Geol Survey, 5 Geology Road, Columbia, SC 29212, glowell@semovm.semo.edu, glowell@semovm.semo.edu
6
2:40 PM
A CLOSER LOOK AT PSEUDOTACHYLYTE FORMATION: MELT-GENERATING REACTIONS REVEALED BY OPTICAL AND ELECTRON MICROSCOPY
CREVIER, Jeffery M, Department of geological sciences, Univ of Kentucky, Lexington, KY 40503 and MOECHER, David P, jcrevier@earthlink.net, jcrevier@earthlink.net
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