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

Thursday, 29 March 2007
8:00 AM - 12:00 PM

Presentations

• 8:20 AM
  ANATOMY OF AN UNCONFORMITY
  Timothy M. Chowns, University of West Georgia, Carrollton, GA
  118692 (THEME SESSIONS)
• 8:40 AM
  INTERPRETING THE ORIGIN AND NATURE OF UNCONFORMITIES IN THE APPALACHIAN FORELAND BASIN
  Frank Ettensohn, University of Kentucky, Lexington, KY
  119214 (THEME SESSIONS)
• 9:00 AM
  THE POST-KNOX UNCONFORMITY: PRODUCT OF GLOBAL, NOT REGIONAL PROCESSES
  Robert D. Hatcher, University of Tennessee, Knoxville, TN and John E. Repetski, US Geol Survey, Reston, VA
  118749 (THEME SESSIONS)
• 9:20 AM
  FOUR UNCONFORMITIES IN THE SOUTHERN APPALACHIAN ORDOVICIAN-MISSISSIPPIAN SUCCESSION
  William A. Thomas, University of Kentucky, Lexington, KY
  119182 (THEME SESSIONS)
• 10:00 AM
  CHARACTERISTICS AND SIGNIFICANCE OF REGIONAL UNCONFORMITIES IN SOUTHERN APPALACHIAN METAMORPHIC TERRANES
  James F. Tull, Florida State University, Tallahassee, FL
  118609 (THEME SESSIONS)
• 10:20 AM
  TIME VERSUS TECTONIC SIGNIFICANCE: THE DISCONFORMITY AT THE BASE OF THE CHILHOWEE GROUP AND THE NEOPROTEROZOIC-CAMBRIAN BOUNDARY
  Scott Southworth, U.S. Geological Survey, Reston, VA and John N. Aleinikoff, U.S. Geological Survey, Denver, CO
  118850 (THEME SESSIONS)
• 10:40 AM
  THE NEOPROTEROZOIC-MESOPROTEROZOIC UNCONFORMITIES IN THE VIRGINIA BLUE RIDGE
  Christopher M. Bailey, College of William & Mary, Williamsburg, VA
  119078 (THEME SESSIONS)
• 11:00 AM
  COARSE EPICLASTIC AND VOLCANICLASTIC METASEDIMENTARY ROCKS DEPOSITED ALONG THE LATE PROTEROZOIC/MIDDLE PROTEROZOIC BOUNDARY IN SW VA
  William Sinclair Henika, Virginia Tech, Blacksburg, VA
  118698 (THEME SESSIONS)
• 11:20 AM
  TWO SOUTHERN APPALACHIAN PIEDMONT PALEOZOIC UNCONFORMITIES AND THEIR SIGNIFICANCE
  Allen J. Dennis, University of South Carolina Aiken, Aiken, SC
  118982 (THEME SESSIONS)