Geological Society of America

8:10 AM

DETRITAL-ZIRCON AGES CONFIRM LAURENTIAN AFFINITIES OF THE ARGENTINE PRECORDILLERA

William A. Thomas, Univ of Kentucky, Lexington, KY and Ricardo A. Astini, Universidad Nacional de Córdoba, Córdoba, N/A and Paul A. Mueller, Univ of Florida, Gainesville, FL and Joseph L. Wooden, U.S. Geol Survey, Menlo Park, CA and George Gehrels, Univ of Arizona, Tucson, AZ

69801 (THEME SESSIONS)

8:30 AM

NEW U-PB ZIRCON DATES FROM THE ACATLAN COMPLEX, MEXICO: IMPLICATIONS FOR THE AGES OF TECTONOSTRATIGRAPHIC UNITS AND OROGENIC EVENTS

J. Duncan Keppie, Universidad Nacional Autónoma de México, Mexico D.F, N/A and B.V. Miller, Univ of North Carolina at Chapel Hill, Chapel Hill, NC and R.D. Nance, Ohio Univ, Athens, OH and J.B. Murphy, St. Francis Xavier Univ, Antigonish, NS and Jarda Dostal, St. Mary's Univ, Halifax, NS

68882 (THEME SESSIONS)

8:50 AM

THE APPALACHIAN PERI-GONDWANAN REALM: A PALEOGEOGRAPHIC PERSPECTIVE FROM THE SOUTH

J.P. Hibbard, NC State U, Raleigh, NC and B.V. Miller, UNC-CH, Chapel Hill, NC and R.J. Tracy, Virginia Tech, Blacksburg, VA and B.T. Carter, NC State U, Raleigh, NC

69651 (THEME SESSIONS)

9:10 AM

USING EBSD ANALYSIS OF OMPHACITE TO EVALUATE ECLOGITE EXHUMATION MECHANISMS IN THE SOUTHERN APPALACHIANS

Kara A. Syvertsen, Univ of North Carolina at Chapel Hill, Chapel Hill, NC and Kevin Stewart, Univ of North Carolina, Chapel Hill, NC and Peter Davis, Univ of Minnesota, Minneapolis, MN and Donna Whitney, Univ of Minnesota, Minneapolis, MN

70926 (THEME SESSIONS)

9:30 AM

PRELIMINARY REASSESSMENT OF THE TECTONOTHERMAL EVOLUTION OF THE SMITH RIVER ALLOCTHON, VA: IMPLICATIONS FOR TERRANE AFFINITY

Brad T. Carter, North Carolina State Univ, Raleigh, NC and James P. Hibbard, North Carolina State Univ, Raleigh, NC and Robert J. Tracy, Virginia Polytechnical Institute and State Univ, Blacksburg, VA and William S. Henika, Virginia Polytechnical Institute and State Univ, Blacksburg, VA

69945 (THEME SESSIONS)

9:50 AM

DID THE WILMINGTON COMPLEX ORIGINATE AS A PERI-GONDWANAN ARC?

Howell Bosbyshell, West Chester Univ, West Chester, PA and LeeAnn Srogi, West Chester Univ, West Chester, PA

70589 (THEME SESSIONS)

10:20 AM

MIDDLE TO LATE PALEOZOIC ACCRETION OF THE CAROLINA TERRANE: EVIDENCE FROM THE BRINDLE CREEK THRUST SHEET, INNER PIEDMONT, NORTH CAROLINA

Arthur J. Merschat, Univ of Tennessee, Knoxville, TN and Robert D. Hatcher, Univ of Tennessee, Knoxville, TN and Brendan R. Bream, Univ of Tennessee, Knoxville, TN and Russell W. Mapes, Univ of North Carolina at Chapel Hill, Chapel Hill, NC

70572 (THEME SESSIONS)

10:40 AM

CA. 626 MA TO 619 MA PEN BRANCH/DEEP ROCK VOLCANIC ARC TERRANE UNDERLYING THE U.S. D.O.E. SAVANNAH RIVER SITE, SOUTH CAROLINA

Allen J. Dennis, Univ South Carolina - Aiken, Aiken, SC and John W. Shervais, Utah State Univ, Logan, UT

70963 (THEME SESSIONS)

11:00 AM

BRITTLE AND DUCTILE DEFORMATION ALONG THE CHARLOTTE/CAROLINA TERRANE BOUNDARY IN 6 QUADRANGLES IN CENTRAL SOUTH CAROLINA

Chris A. Barker, Stephen F. Austin State Univ, Nacogdoches, TX and Michael A. Halpin, Stephen F. Austin State Univ, Nacogdoches, TX

70188 (THEME SESSIONS)

11:20 AM

INTRA-ARC LITHOTECTONIC RELATIONSHIPS IN THE NORTHEASTERN CAROLINA ZONE, EASTERN PIEDMONT OF NORTH CAROLINA

David E. Blake, UNC–Wilmington, Wilmington, NC and Edward F. Stoddard, North Carolina State University, Raleigh, NC