25 Petrology and Structural Geology

Friday, 14 March 2003
1:00 PM - 4:00 PM

Presentations

• 1:20 PM
  VARIATIONS IN ALKALI FELDSPAR/MELT TRACE-ELEMENT PARTITIONING DURING FRACTIONATION OF PERALKALIC QUARTZ TRACHYTE-RHYOLITE SUITES
  John Charles White, Elizabeth City State Univ, Elizabeth City, NC and Don F. Parker, Baylor Univ, Waco, TX and Minghua Ren, Baylor Univ, Waco, TX
  50078 (Technical Sessions)
• 1:40 PM
  A FIELD STUDY OF EOCENE INTRUSIVE ROCKS AND THEIR SURROUNDINGS IN HIGHLAND COUNTY, VIRGINIA
  Jonathan L. Tso, Radford Univ, Radford, VA and John D. Surber, Radford Univ, Radford, VA
  49759 (Technical Sessions)
• 2:00 PM
  THE MIDWAY SILL, LLANO UPLIFT, CENTRAL TEXAS: TOWN MOUNTAIN GRANITE? NO
  R.K. Smith, The University of Texas at San Antonio, San Antonio, TX and Ben Boyer, The University of Texas at San Antonio, San Antonio, TX and Tyson Gibbs, The Univ of Texas at San Antonio, San Antonio, TX
  48345 (Technical Sessions)
• 2:20 PM
  RECOGNITION OF MESOPROTEROZOIC DUCTILE SHEAR ALONG THE BLACK FAULT IN SOUTHEASTERN MISSOURI
  Gary R. Lowell, Southeast Missouri State Univ, Cape Girardeau, MO and C.W. Clendenin, Geol Survey, Columbia, SC
  49702 (Technical Sessions)
• 2:40 PM
  A CLOSER LOOK AT PSEUDOTACHYLYTE FORMATION: MELT-GENERATING REACTIONS REVEALED BY OPTICAL AND ELECTRON MICROSCOPY
  Jeffery M Crevier, Univ of Kentucky, Lexington, KY and David P Moecher, N/A
  49680 (Technical Sessions)