Session No. 21 Friday, March 28, 2003

8:15 AM-12:00 PM, Westin Hotel: Harbour Suite A
T4. Paleozoic Arcs in the Northern Appalachian Orogen and Their Accretionary History: 2nd Annual NETectonics Session I
Leslie R. Fyffe and Cees R. van Staal, Presiding
 Paper #Start Time
 8:15 AM Introductory Remarks
21-18:20 AM EARLY PALEOZOIC ARC SYSTEMS IN THE NORTHERN APPALACHIANS: AN INTRODUCTION: VAN STAAL, Cees R., Continental Geoscience Division, Geol Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8 Canada, cvanstaa@nrcan.gc.ca.
21-28:40 AM PLUTONIC ROCK GEOCHEMICAL AND ISOTOPIC EVIDENCE FOR A TRANSITION FROM ARC (C. 489-435 MA) TO WITHIN-PLATE (C. 430 MA) MAGMATISM WITHIN THE NOTRE DAME ARC: WHALEN, Joseph B., MCNICOLL, Vicki, VAN STAAL, Cees R., and PEHRSSON, Sally, Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada, jwhalen@NRCan.gc.ca
21-39:00 AM THE ORIGIN AND TECTONIC EVOLUTION OF THE ANNIEOPSQUOTCH OPHIOLITE BELT, SW NEWFOUNDLAND: LISSENBERG, C. Johan1, BÉDARD, Jean H.2, VAN STAAL, Cees R.3, and MCNICOLL, Vicki3, (1) Department of Geology, Univ of Ottawa, 140 Louis Pasteur Street, Ottawa, ON K1N 6N5, Canada, jlissenb@nrcan.gc.ca, (2) Centre Geoscientifique de Quebec, Geol Survey of Canada, CP7500 880 Ste foy, Ste Foy, QC G1V 4C7, Canada, (3) Continental Geoscience Division, Geol Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada
21-49:20 AM TECTONIC HISTORY OF THE ANNIEOPSQUOTCH ACCRETIONARY TRACT: ZAGOREVSKI, Alexandre1, LISSENBERG, C. Johan1, VAN STAAL, Cees R.2, MCNICOLL, Vicki2, and ROGERS, Neil2, (1) Department of Earth Sciences, Univ of Ottawa, 140 Louis Pasteur Street, Ottawa, ON K1N 6N5, Canada, azagorevski@sympatico.ca, (2) Continental Geoscience Division, Geol Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada
21-59:40 AM ACCRETION AND TECTONIC SETTING OF THE VICTORIA LAKE SUPERGROUP: ROGERS, Neil1, VAN STAAL, Cees R.1, MCNICOLL, Vicki1, and ZAGOREVSKI, Alex2, (1) Continental Geoscience Division, Geol Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada, nrogers@nrcan.gc.ca, (2) Department of Earth Sciences, 140 Louis Pasteur Street, Ottawa, ON K1N 6N5, Canada
 10:00 AM Break
21-610:20 AM MWEELREA IGNIMBRITES DERIVED FROM THE CONNEMARA MAGMATIC ARC, WESTERN IRELAND: MCCONNELL, B., Geol Survey of Ireland, Beggars Bush, Dublin 4, Ireland, brian.mcconnell@gsi.ie, RIGGS, Nancy, Northern Arizona Univ, PO Box 4099, Flagstaff, AZ 86011-4099, and GEHRELS, George, Department of Geosciences, Univ of Arizona, Tucson, AZ 85721
21-710:40 AM PRE-OBDUCTION STRUCTURAL AND MAGMATIC EVOLUTION OF THE THETFORD MINES OPHIOLITE COMPLEX: A RECORD OF FOREARC EXTENSION AND SEAFLOOR SPREADING: BÉDARD, Jean H.1, SCHROETTER, Jean-Michel2, PAGÉ, Philippe3, TREMBLAY, Alain4, and BÉCU, Valérie3, (1) Ressources Naturelles Canada, Geol Survey of Canada, CP7500, 880 Ste foy, Québec, QC G1S 2L2, Canada, jbedard@nrcan.gc.ca, (2) Institut National de la Recherche Scientifique, CP 7500, 880, Chemin Sainte-Foy, Québec, QC G1S 2L2, Canada, (3) Institut National de la Recherche Scientifique, CP 7500, 880 Ste-Foy, Québec, QC G1S 2L2, Canada, (4) Earth and Atmospheric Sciences, Univ of Quebec at Montreal, Case Postale 8988 Succursale Centre-Ville, Montreal, QC H3C 3P8, Canada
21-811:00 AM TACONIC VERSUS MIDDLE PROTEROZOIC ANATEXIS AND DEFORMATION IN THE BERKSHIRE MASSIF, WESTERN NEW ENGLAND: KARABINOS, Paul1, HAMILTON, Mike A.2, and MORRIS, David J.1, (1) Dept. Geosciences, Williams College, Williamstown, MA 01267, pkarabin@williams.edu, (2) 605 Island Park Cr, Ottawa, ON K1Y 3P4, Canada
21-911:20 AM TECTONIC SETTING AND REGIONAL CORRELATION OF ORDOVICIAN METAVOLCANIC ROCKS OF THE CASCO BAY GROUP, SOUTH-CENTRAL MAINE: EVIDENCE FROM TRACE ELEMENT AND ISOTOPE GEOCHEMISTRY: WEST, David P. Jr1, COISH, Raymond A.1, and TOMASCAK, Paul B.2, (1) Dept. of Geology, Middlebury College, Middlebury, VT 05753, dwest@middlebury.edu, (2) Dept. of Geology, Univ of Maryland, College Park, MD 20742

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