Geological Society of America

1:00 PM

IDENTICAL TWINS, FRATERNAL TWINS, KISSING COUSINS, OR NO RELATION? A COMPARISON OF THE CHRONOLOGICAL AND ISOTOPIC CHARACTERISTICS OF CIRCUM-ATLANTIC NEOPROTEROZOIC TERRANES

Scott D. Samson, Syracuse University, Syracuse, NY

70454 (THEME SESSIONS)

1:20 PM

GANDERIA, AVALONIA, AND THE SALINIC AND ACADIAN OROGENIES

Cees R. van Staal, Geol Survey of Canada, Ottawa, ON and Vicki McNicoll, Geol Survey of Canada, Ottawa, ON and Pablo Valverde-Vaquero, Instituto Geológico y Minero de España (IGME), Tres Cantos (Madrid), N/A and Sandra M. Barr, Acadia Univ, Wolfville, NS and Leslie R. Fyffe, New Brunswick Geol Surveys, Fredericton, NB and Douglas N. Reusch, Univ of Maine, Farmington, ME

68989 (THEME SESSIONS)

1:40 PM

GEOLOGY AND TECTONICS OF PERI-GONDWANAN TERRANES IN COASTAL MAINE

David P. West, Middlebury College, Middlebury, VT and David B. Stewart, Reston, VA

69819 (THEME SESSIONS)

2:00 PM

DETRITAL ZIRCONS AND GANDERIA'S SOUTHERN MARGIN, COASTAL MAINE

Douglas N. Reusch, Univ of Maine at Farmington, Farmington, ME and C.R. van Staal, Geol Survey of Canada, Ottawa, ON and V.J. McNicoll, Geol Survey of Canada, Ottawa, ON

69144 (THEME SESSIONS)

2:20 PM

INITIAL ND-SR ISOTOPIC COMPOSITION OF GRANITE PLUTONS FROM EASTERN AND CENTRAL MAINE: IMPLICATIONS FOR TERRANE ACCRETION

James P. Mataragio, Univ of Missouri-Rolla, Rolla, MO and John P. Hogan, Univ of Missouri-Rolla, Rolla, MO and J. Douglas Walker, Univ Kansas, Lawrence, KS

69011 (THEME SESSIONS)

2:40 PM

GEOLOGY OF THE TALLY POND GROUP, NEWFOUNDLAND: NEW GEOCHRONOLOGY AND GEOCHEMICAL DATA FROM THE EXPLOITS SUBZONE, DUNNAGE ZONE

Jeff Pollock, NC State Univ, Raleigh, NC and Vicki McNicoll, Geol Survey of Canada, Otawa, ON and C.R. van Staal, Geol Survey of Canada, Ottawa, ON and Derek Wilton, Memorial Univ of Newfoundland, St. John's, NF

69545 (THEME SESSIONS)

3:00 PM

PATS POND AND WIGWAM BROOK GROUPS: RECORD OF EPISODIC PERI-GONDWANAN UPPER CAMBRIAN-CARADOC ISLAND ARC ACTIVITY IN THE EXPLOITS SUBZONE OF CENTRAL NEWFOUNDLAND

Alexandre Zagorevski, Univ of Ottawa, Ottawa, ON and Cees van Staal, NRCAN, Ottawa, ON and Vicki McNicoll, Geol Survey of Canada, Otawa, ON and Neil Rogers, Geol Survey of Canada, Ottawa, ON

70739 (THEME SESSIONS)

3:20 PM

PERI-GONDWANAN TERRANES OF SOUTHERN NEW BRUNSWICK, CANADA: NEW INSIGHTS AND ENIGMAS

Sandra Barr, Acadia University Dept Earth & Environmental Science, Wolfville, NS and Chris E. White, Halifax, NS and M.S. King, Acadia Univ, Wolfville, NS and Robin S. Black, Acadia Univ, Wolfville, NS

69572 (THEME SESSIONS)

3:40 PM

EVIDENCE OF DETACHMENT WITHIN PERI-GONDWANAN ARC TERRANES OF MARITIME CANADA

Zachary R. Wessel, Ohio Univ, Athens, OH and R. Damian Nance, Ohio Univ, Athens, OH and J. Brendan Murphy, St. Francis Xavier Univ, Antigonish, NS and J. Duncan Keppie, Universidad Nacional Autónoma de México, Mexico D.F, N/A

68859 (THEME SESSIONS)

4:00 PM

SHRIMP GEOCHRONOLOGY OF DETRITAL ZIRCONS FROM METASEDIMENTARY ROCKS IN SOUTH-CENTRAL CONNECTICUT: PRELIMINARY INTERPRETATIONS OF THE TECTONIC EVOLUTION OF THE AVALON TERRANE OF SOUTHERN NEW ENGLAND

Robert P. Wintsch, Indiana Univ, Bloomington, IN and John N. Aleinikoff, U.S. Geol Survey, Denver, CO and Robert B. Scott, U.S. Geol Survey, Denver, CO and Gregory J. Walsh, U.S. Geol Survey, Montpelier, VT and Ezra Y. Yacob, U.S. Geol Survey, Denver, CO and Janet R. Stone, U.S. Geol Survey, East Hartford, CT

70657 (THEME SESSIONS)

4:20 PM

MAFIC MATTAPAN VOLCANISM AT WORLDS END, HINGHAM, MASSACHUSETTS: NEW DIMENSIONS OF ARC ACTIVITY IN THE SOUTHEASTERN NEW ENGLAND AVALON ZONE

Alexis Ault, Wellesley College, Wellesley, MA and Margaret Thompson, Wellesley College Dept of Geosciences, Wellesley, MA and Anne Grunow, Ohio State Univ, Columbus, OH and Jahandar Ramezani, Massachusetts Institute of Technology, Cambridge, MA

70357 (THEME SESSIONS)

4:40 PM

CONTIGUOUS RATHER THAN DISCRETE PALEOZOIC HISTORIES FOR THE AVALON AND MEGUMA TERRANES BASED ON DETRITAL ZIRCON DATA

J. Brendan Murphy, St. Francis Xavier Univ, Antigonish, NS and Javier Fernandez-Suarez, Universidad Complutense, Madrid, N/A and J. Duncan Keppie, Universidad Nacional Autónoma de México, México D.F, N/A and Michael A. Hamilton, Univ of Toronto, Toronto, ON and Teresa E. Jeffries, The Nat History Museum, London, N/A

69567 (THEME SESSIONS)

51 Peri-Gondwanan Terranes of the Appalachians II

Presentations