17 New Models of Appalachian Tectonics Inspired by Geochronology: 3rd Annual NETectonics Session I

Tuesday, 15 March 2005
8:00 AM - 12:00 PM

Presentations

• 8:00 AM
  THE ANNIEOPSQUOTCH ACCRETIONARY TRACT, CENTRAL NEWFOUNDLAND: FROM INITIATION OF WEST-DIRECTED SUBDUCTION TO ARC-ARC COLLISION
  C. Johan Lissenberg, Univ of Ottawa, Ottawa, ON and Alex Zagorevski, Univ of Ottawa, Ottawa, ON and Cees R. van Staal, Geol Survey of Canada, Ottawa, ON and Vicki McNicoll, Geol Survey of Canada, Ottawa, ON and Joseph Whalen, Geol Survey of Canada, Ottawa, ON
  82799 (THEME SESSIONS)
• 8:20 AM
  THE FINAL CLOSURE OF IAPETUS: NEW U-PB ZIRCON GEOCHRONOLOGICAL CONSTRAINTS FROM THE COLLISION OF GANDERIA AND LAURENTIA ALONG THE DOG BAY LINE, NEWFOUNDLAND
  Jeff Pollock, NC State Univ, Raleigh, NC and Cees van Staal, Geol Survey of Canada, Ottawa, ON and Derek Wilton, Memorial Univ of Newfoundland, St. John's, NF
  82192 (THEME SESSIONS)
• 8:40 AM
  SYNOROGENIC BASIN DEVELOPMENT IN THE QUÉBEC APPALACHIANS: INSIGHTS FROM 40AR/39AR DATING AND STRATIGRAPHIC ANALYSIS OF THE ST-DANIEL MÉLANGE
  Alain Tremblay, Université du Québec à Montréal, Montréal, QC and Jean-Michel Schroetter, Institut National de la Recherche Scientifique, Québec, QC and Jean Bedard, Geol Survey of Canada, Quebec City, QC and Mike Villeneuve, Continental Geoscience Div, Ottawa, ON
  82649 (THEME SESSIONS)
• 9:00 AM
  40AR/39AR GEOCHRONOLOGICAL DATA FROM THE SUTTON/GREEN MOUNTAINS ANTICLINORIUM, SOUTHERN QUEBEC-NORTHERN VERMONT APPALACHIANS: EPISODIC AND DIACHRONOUS TECTONISM FROM MIDDLE ORDOVICIAN TO MIDDLE DEVONIAN
  Sebastien Castonguay, Quebec Division, Québec, QC and Barry Doolan, N/A, Burlington, VT and Marjorie Gale, Vermont Geol Survey, Waterbury, VT and Jonathan Kim, Vermont Geol Survey, Waterbury, VT and Gilles Ruffet, CNRS-Universite de Rennes 1, Campus de Beaulieu, Rennes Cedex and Peter Thompson, Univ New Hampshire, Durham, NH and Alain Tremblay, Université du Québec à Montréal, Montréal, QC and Mike Villeneuve, Continental Geoscience Div, Ottawa, ON
  83476 (THEME SESSIONS)
• 9:20 AM
  THE CHAIN LAKES MASSIF: LAURENTIAN SOURCE AND ANATECTIC HISTORY
  Christopher Gerbi, Univ of Maine, Orono, ME and Scott E. Johnson, Univ of Maine, Orono, ME and John Aleinikoff, U.S. Geol Survey, Denver, CO
  83147 (THEME SESSIONS)
• 9:40 AM
  WHAT CAUSED THE ACADIAN OROGENY, NEW ENGLAND APPALACHIANS? A PROVENANCE STUDY OF THE CARRABASSETT FORMATION, CENTRAL MAINE BASIN
  Michael J. Dorais, Brigham Young University, Provo, UT and Wendy R. Nelson, Brigham Young Univ, Provo, UT and Michael N. Tubrett, Memorial Univ of Newfoundland, St. John's, NF
  83573 (THEME SESSIONS)
• 10:20 AM
  STRAIN PARTITIONING AND THE TIMING OF HIGH-GRADE ACADIAN METAMORPHISM IN SOUTH-CENTRAL MAINE
  David P. West, Middlebury College, Middlebury, VT and Christopher Gerbi, Univ of Maine, Orono, ME and Scott E. Johnson, Univ of Maine, Orono, ME and John Aleinikoff, U.S. Geol Survey, Denver, CO and Henry N. Berry, Augusta, ME
  83191 (THEME SESSIONS)
• 10:40 AM
  THE FUNDAMENTAL SUTURE OF CENTRAL NEW ENGLAND?
  Frank S. Spear, RPI, Troy, NY and John T. Cheney, Amherst College, Amherst, MA
  83333 (THEME SESSIONS)
• 11:00 AM
  HEAT SOURCES AND THERMAL EVOLUTION OF HIGH-GRADE CRUST IN THE ACADIAN/ALLEGHENIAN OROGEN, CENTRAL NEW ENGLAND: COMPARING NUMERIC MODELS WITH INSIGHTS FROM MONAZITE PARAGENESIS IN LPHT METAMORPHIC ROCKS
  Joseph M. Pyle, Rensselaer Polytechnic Institute, Troy, NY and Frank S. Spear, Rensselaer Polytechnic Institute, Troy, NY
  83404 (THEME SESSIONS)
• 11:20 AM
  EVIDENCE FOR TECTONIC WEDGING OF AVALON TERRANE ROCKS INTO THE GANDER ZONE, SOUTHERN NEW ENGLAND
  R. P. Wintsch, Indiana Univ, Bloomington, IN and John N. Aleinikoff, U.S. Geol Survey, Denver, CO and Daniel M. Unruh, U.S. Geol Survey, Denver, CO and Greg Walsh, U.S. Geol Survey, Montpelier, VT
  83620 (THEME SESSIONS)
• 11:40 AM
  LATE PALEOZOIC EXTRUSION AND ELONGATION AS IMPORTANT MECHANISMS IN THE TECTONIC EVOLUTION OF THE SOUTHERN BRONSON HILL TERRANE
  Matthew A. Massey, Univ of Kentucky, Lexington, KY and David P. Moecher, Univ of Kentucky, Lexington, KY
  83684 (THEME SESSIONS)