Session: Tectonics (Posters) (Northeastern Section - 47th Annual Meeting (18

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41

RESOLVING BURIED STRUCTURES WITHIN POLY-DEFORMED REGIONS: CONSTRAINED GEOPHYSICAL MODELLING OF THE BATHURST AND BAIE VERTE MINING DISTRICTS

ROGERS, Neil¹, VAN STAAL, Cees², UGALDE, Hernan³, SPICER, Bill⁴, TSCHIRHART, Peter⁵ and MORRIS, Bill⁵, (1)Geological Survey of Canada, 601 Booth St, Ottawa, ON K1A0E8, Canada, (2)Geological Survey of Canada, 1500-605 Robson Street, Vancouver, BC V6B 5J3, Canada, (3)Paterson, Grant & Watson Limited, Suite 1710, 155 University Avenue, Toronto, ON M5H 3B7, Canada, (4)Quadra FNX, 1300 Kelly Lake Road, Sudbury, ON P3E 5P4, Canada, (5)School of Geography and Earth Sciences, McMaster University, 1280 Main Street West, Hamilton, ON L8S 4K1, Canada, nrogers@nrcan.gc.ca, nrogers@nrcan.gc.ca

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42

INTERPRETATION OF GRAVITY ANOMALIES IN THE TUG HILL PLATEAU

REVETTA, Frank, Geology, SUNY Potsdam, 44 Pierrepont Avenue, Potsdam, NY 13676, revettfa@potsdam.edu, revettfa@potsdam.edu

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43

UNDERGRADUATE GRAVITY MAPPING IN NORTHERN NEW YORK

BULLINGER, Andrew and REVETTA, Frank, Geology, SUNY Potsdam, 44 Pierrepont Avenue, Potsdam, NY 13676, bullinat194@potsdam.edu, bullinat194@potsdam.edu

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44

APATITE FISSION-TRACK AGE DISCONTINUITIES ALONG A TRANSECT THROUGH THE GRENVILLE PROVINCE FROM BAIE COMEAU, QC TO LABRADOR CITY, NL

NEGRYCZ, Kristin M.¹, RODEN-TICE, Mary K.¹ and HIGGINS, Michael D.², (1)Center for Earth and Environmental Science, SUNY Plattsburgh, 101 Broad Street, Plattsburgh, NY 12901, (2)Sciences de la Terre, Universite du Quebec a Chicoutimi, Chicoutimi, QC G7H 2B1, Canada, knegrycz@gmail.com, knegrycz@gmail.com

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CARBON ISOTOPE THERMOMETRY IN THE CENTRAL METASEDIMENTARY BELT BOUNDARY THRUST ZONE, GRENVILLE PROVINCE, ONTARIO

MONTANYE, Bo R., Department of Geology, Colgate University, 13 Oak Drive, Hamilton, NY 13346 and PECK, William H., Department of Geology, Colgate University, Hamilton, NY 13346, wpeck@colgate.edu, wpeck@colgate.edu

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46

CRETACEOUS UNROOFING RATES FROM APATITE FISSION-TRACK AGES, COG RAILROAD, MT. WASHINGTON, NEW HAMPSHIRE

ANDERSON, Brigit, Geology, Bates College, 44 Campus Ave, Lewiston, ME 04240, RODEN-TICE, Mary, Center for Earth and Environmental Science, SUNY Plattsburgh, Hudson 102, Plattsburgh, NY 12901 and EUSDEN Jr., J. Dykstra, Geology, Bates College, 44 Campus Avenue, Lewiston, ME 04240, brigitanderson@gmail.com, brigitanderson@gmail.com

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47

EVIDENCE FOR A SILURIAN ORIGIN OF THE EASTERN ADIRONDACK BOUNDARY FAULT ZONE

WASHINGTON, Paul A., Salona Exploration LLC, Mill Hall, PA 17751, paul.washington@gmail.com, paul.washington@gmail.com

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48

THE MARY REACTION: TIMING DEEP CRUSTAL DEFORMATION AND METAMORPHISM WITH IMPLICATIONS FOR STRENGTHENING AND STABILIZATION OF FLOWING LOWER CRUST

HOLLAND, Mark Edward, Department of Earth and Planetary Sciences, University of New Mexico, 221 Yale Blvd NE, Albuquerque, NM 87106, WILLIAMS, Michael L., Department of Geosciences, University of Massachusetts, Amherst, 611 North Pleasant Street, Amherst, MA 01003 and REGAN, Sean P., Department of Geosciences, University of Massachusetts, Amherst, 611 N Pleasant St, Amherst, MA 01003, medwardholland89@gmail.com, medwardholland89@gmail.com

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49

CONSTRAINING PT CONDITIONS OF METAMORPHISM IN ECLOGITE FROM THE SOUTHERN DULAN AREA in THE NORTH QAIDAM ULTRAHIGH-PRESSURE METAMORPHIC BELT

LIN, Benjamin E., Department of Geology, Amherst College, AC 1585, Keefe Campus Center, Amherst College, Amherst, MA 01002, CHENEY, John T., Department of Geology, Amherst College, Amherst, MA 01002 and SONG, Shuguang, Department of Geology, School of Earth and Space Sciences, Peking University, Beijing, 100871, China, blin12@amherst.edu, blin12@amherst.edu

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50

EVALUATING THE TIMING, CONDITIONS, AND REGIONAL EXTENT OF PALEOPROTEROZOIC METAMORPHISM IN SOUTHWESTERN MONTANA

LLOYD, Max, CHENEY, John T. and HARMS, Tekla A., Department of Geology, Amherst College, Amherst, MA 01002, max.k.lloyd@gmail.com, max.k.lloyd@gmail.com

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GEOCHEMICAL ANALYSIS OF PRECAMBRIAN IGNEOUS AND METAMORPHIC ROCKS OF THE HIGHLAND MOUNTAINS, SW MONTANA

HUDAK, Michael R. and HARMS, Tekla A., Department of Geology, Amherst College, Amherst, MA 01002, mhudak12@amherst.edu, mhudak12@amherst.edu

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52

KINEMATICS AND TIMING OF PROTEROZOIC MYLONITIZATION IN THE HIGHLAND MOUNTAINS OF SOUTHWESTERN MONTANA

HAGER, Anna D. and HARMS, Tekla A., Department of Geology, Amherst College, Amherst, MA 01002, ahager12@amherst.edu, ahager12@amherst.edu

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53

NEW CONSTRAINTS ON COOLING AGES FOR PROTEROZOIC ACCRETED ARC AND METAMORPHIC CORE ZONE ROCKS OF THE BIG SKY OROGEN IN SOUTHWESTERN MONTANA

LUPIEN, Rachel L., Geology, Amherst College, Amherst, MA 01002, HARMS, Tekla A., Department of Geology, Amherst College, Amherst, MA 01002 and HAMES, Willis E., Department of Geology and Geography, Auburn University, 210 Petrie Hall, Auburn, AL 36849, rlupien12@amherst.edu, rlupien12@amherst.edu

Northeastern Section - 47th Annual Meeting (18–20 March 2012)

Tectonics (Posters)