Session: New Models of Appalachian Tectonics Inspired by Geochronology: 3rd Annual NETectonics Session I (Northeastern Section

Paper #

Start Time

1

8:00 AM

THE ANNIEOPSQUOTCH ACCRETIONARY TRACT, CENTRAL NEWFOUNDLAND: FROM INITIATION OF WEST-DIRECTED SUBDUCTION TO ARC-ARC COLLISION

LISSENBERG, C. Johan¹, ZAGOREVSKI, Alex¹, VAN STAAL, Cees R.², MCNICOLL, Vicki³ and WHALEN, Joseph², (1)Department of Earth Sciences - Ottawa-Carleton Geoscience Centre, Univ of Ottawa, 140 Louis Pasteur Street, Ottawa, ON K1N 6N5, (2)Geol Survey of Canada, 601 Booth St, Ottawa, ON K1A 0E8, (3)Continental Geoscience Division, Geol Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada, cvanstaa@nrcan.gc.ca, cvanstaa@nrcan.gc.ca

2

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

POLLOCK, Jeff, Marine, Earth and Atmospheric Science, NC State Univ, Raleigh, NC 27695, VAN STAAL, Cees, Geol Survey of Canada, Ottawa, ON K1A 0E8, Canada and WILTON, Derek, Department of Earth Sciences, Memorial Univ of Newfoundland, St. John's, NF A1B 3X5, jpolloc@ncsu.edu, jpolloc@ncsu.edu

3

8:40 AM

SYNOROGENIC BASIN DEVELOPMENT IN THE QUÉBEC APPALACHIANS: INSIGHTS FROM 40AR/39AR DATING AND STRATIGRAPHIC ANALYSIS OF THE ST-DANIEL MÉLANGE

TREMBLAY, Alain, Sciences de la Terre et de l'Atmosphère, Université du Québec à Montréal, C.P. 8888, Succursale Centre-Ville, Montréal, QC H3C 3P8, Canada, SCHROETTER, Jean-Michel, Institut National de la Recherche Scientifique, CP 7500, 880, Chemin Sainte-Foy, Québec, QC G1S 2L2, Canada, BEDARD, Jean, Quebec Division, Geol Survey of Canada, Quebec Geoscience Center, 880 Chemin Ste-Foy, P.O. Box 7500, Quebec City, QC G1V 4C7, Canada and VILLENEUVE, Mike, Geological Survey of Canada, Continental Geoscience Div, 601 Booth Street, Ottawa, ON K1A 0E8, Canada, tremblay.a@uqam.ca, tremblay.a@uqam.ca

4

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

CASTONGUAY, Sebastien, Geological Survey of Canada, Quebec Division, 490 rue de la Couronne, Québec, QC G1K 9A9, DOOLAN, Barry, Department of Geology, University of Vermont, Burlington, VT 05405, GALE, Marjorie, Vermont Geol Survey, 103 South Main Street, Waterbury, VT 05671, KIM, Jonathan, Vermont Geol Survey, 103 S. Main St, Waterbury, VT 05671, RUFFET, Gilles, Geosciences Rennes, CNRS-Universite de Rennes 1, Campus de Beaulieu, Avenue Général Leclerc, Rennes Cedex, 35042, France, THOMPSON, Peter, Univ New Hampshire, 56 College Rd, Durham, NH 03824-3589, TREMBLAY, Alain, Sciences de la Terre et de l'Atmosphère, Université du Québec à Montréal, C.P. 8888, Succursale Centre-Ville, Montréal, QC H3C 3P8, Canada and VILLENEUVE, Mike, Geological Survey of Canada, Continental Geoscience Div, 601 Booth Street, Ottawa, ON K1A 0E8, Canada, scastong@nrcan.gc.ca, scastong@nrcan.gc.ca

5

9:20 AM

THE CHAIN LAKES MASSIF: LAURENTIAN SOURCE AND ANATECTIC HISTORY

GERBI, Christopher, Department of Earth Sciences, Univ of Maine, 5790 Bryand Global Sciences Center, Orono, ME 04469, JOHNSON, Scott E., Earth Sciences, Univ of Maine, 5790 Bryand Center, Orono, ME 04469-5790 and ALEINIKOFF, John, U.S. Geol Survey, Denver, CO 80225, gerbi@umit.maine.edu, gerbi@umit.maine.edu

6

9:40 AM

WHAT CAUSED THE ACADIAN OROGENY, NEW ENGLAND APPALACHIANS? A PROVENANCE STUDY OF THE CARRABASSETT FORMATION, CENTRAL MAINE BASIN

DORAIS, Michael J., Department of Geology, Brigham Young University, Provo, UT 84602, NELSON, Wendy R., Department of Geology, Brigham Young Univ, Provo, UT 84602 and TUBRETT, Michael N., Department of Earth Sciences, Memorial Univ of Newfoundland, St. John's, NF A1B 3X5, Canada, dorais@byu.edu, dorais@byu.edu

10:00 AM

Break

7

10:20 AM

STRAIN PARTITIONING AND THE TIMING OF HIGH-GRADE ACADIAN METAMORPHISM IN SOUTH-CENTRAL MAINE

WEST Jr, David P., Dept. of Geology, Middlebury College, Middlebury, VT 05753, GERBI, Christopher, Department of Earth Sciences, Univ of Maine, 5790 Bryand Global Sciences Center, Orono, ME 04469, JOHNSON, Scott E., Earth Sciences, Univ of Maine, Orono, ME 04469, ALEINIKOFF, John, U.S. Geol Survey, Denver, CO 80225 and BERRY IV, Henry N., Maine Geological Survey, 22 State House Station, Augusta, ME 04333, dwest@middlebury.edu, dwest@middlebury.edu

8

10:40 AM

THE FUNDAMENTAL SUTURE OF CENTRAL NEW ENGLAND?

SPEAR, Frank S., EES, RPI, 110 8th St, Troy, NY 12180 and CHENEY, John T., Geology, Amherst College, Department of Geolgy, Amherst College, Amherst, MA 01002, spearf@rpi.edu, spearf@rpi.edu

9

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

PYLE, Joseph M. and SPEAR, Frank S., Earth and Environmental Sciences, Rensselaer Polytechnic Institute, JRSC 1C25, 110 8th St, Troy, NY 12180, pylej@rpi.edu, pylej@rpi.edu

10

11:20 AM

EVIDENCE FOR TECTONIC WEDGING OF AVALON TERRANE ROCKS INTO THE GANDER ZONE, SOUTHERN NEW ENGLAND

WINTSCH, R. P., Department of Geological Sciences, Indiana Univ, Bloomington, IN 47405, ALEINIKOFF, John N., U.S. Geol Survey, Mail Stop 964, Denver Federal Center, Denver, CO 80225, UNRUH, Daniel M., U.S. Geol Survey, P.O. Box 25046, Federal Center, Denver, CO 80225 and WALSH, Greg, U.S. Geol Survey, Federal Bldg., 87 State St, P.O. Box 628, Montpelier, VT 05601, wintsch@indiana.edu, wintsch@indiana.edu

11

11:40 AM

LATE PALEOZOIC EXTRUSION AND ELONGATION AS IMPORTANT MECHANISMS IN THE TECTONIC EVOLUTION OF THE SOUTHERN BRONSON HILL TERRANE

MASSEY, Matthew A., Geological Sciences, Univ of Kentucky, Lexington, KY 40506-0053 and MOECHER, David P., Department of Geological Sciences, Univ of Kentucky, Lexington, KY 40506, mamass1@uky.edu, mamass1@uky.edu

Northeastern Section - 40th Annual Meeting (March 14–16, 2005)

T10. New Models of Appalachian Tectonics Inspired by Geochronology: 3rd Annual NETectonics Session I