Northeastern Section - 42nd Annual Meeting (12–14 March 2007)
Session No. 26 Tuesday, 13 March 2007
8:15 AM-12:00 PM, University of New Hampshire: Memorial Union Building, Theater I

T2. The Neo-Acadian Orogeny and Implications for Tectonic and Depositional Setting of Devonian–Carboniferous Rocks in the Appalachian Orogen

M.D. Thompson, Chris E. White and Peter Robinson, Presiding
 Paper #Start Time
 8:15 AM Introductory Remarks
26-18:20 AM U-PB GEOCHRONOLOGY OF LATE DEVONIAN THROUGH LATE PENNSYLVANIAN DEFORMATION AND HIGH-GRADE METAMORPHISM IN CENTRAL MASSACHUSETTS AND ADJACENT NEW HAMPSHIRE, WITH SPECULATIONS ABOUT BROADER TECTONIC SETTINGS: ROBINSON, Peter, Geol Survey of Norway, Trondheim, N7491, Norway, peter.robinson@ngu.no, TUCKER, Robert D., Department of Earth and Planetary Sciences, Washington Univ, St Louis, MO 63130, BERRY, Henry N. IV, Maine Geological Survey, 22 State House Station, Augusta, ME 04469, PETERSON, Virginia L., Geology Department, Grand Valley State University, Allendale, MI 49401, and THOMPSON, Peter J., Earth Sciences Dept, Univ of New Hampshire, Durham, NH 03824
26-28:40 AM FINGERPRINTING NEO-ACADIAN THERMAL AND TECTONIC ACTIVITY, SW NEW HAMPSHIRE, VIA REE PHOSPHATE COMPOSITIONAL VARIATION: PYLE, Joseph, Earth and Environmental Sciences, Rensselaer Polytechnic Institute, 110 8th St, Troy, NY 12180, pylej@rpi.edu, THOMPSON, Peter J., Earth Sciences Dept, Univ of New Hampshire, Durham, NH 03824, and SPEAR, Frank, Earth and Environmental Sciences, Rensselaear Polytechnic Institute, 110 8th St, Troy, NY 12180
26-39:00 AM THE BOUNDARY BETWEEN THE VERMONT AND NEW HAMPSHIRE TERRANES: AN ACADIAN CONUNDRUM: CHENEY, John T., Department of Geology, Amherst College, Amherst, MA 01002, jtcheney@amherst.edu and SPEAR, Frank S., Earth and Environmental Sciences, Rensselaer Polytechnic Institute, JSC 1W19, 110 8th Street, Troy, NY 12180, spearf@rpi.edu
26-49:20 AM THE NEOACADIAN OROGENY IN THE SOUTHERN AND CENTRAL APPALACHIANS: A KINEMATIC MODEL LINKING MIDDLE DEVONIAN–EARLY MISSISSIPPIAN ACCRETION OF THE CAROLINA SUPERTERRANE, OROGENIC CHANNEL FLOW, AND FORELAND SEDIMENTATION: MERSCHAT, Arthur J. and HATCHER, Robert D. Jr, Earth and Planetary Sciences, University of Tennessee, 306 Earth and Planetary Sciences Bldg, Knoxville, TN 37996-1410, arthurmerschat@hotmail.com
26-59:40 AM EVALUATION OF THE GEOCHRONOLOGIC EVIDENCE FOR THE TIMING OF PALEOZOIC OROGENIC EVENTS ALONG THE WESTERN FLANK OF THE SOUTHERN APPALACHIANS: MILLER, Brent, Dept. Geology and Geophysics, Texas A&M University, MS 3115, College Station, TX 77843-3115, bvmiller@geo.tamu.edu
 10:00 AM Break
26-610:15 AM PALEOMAGNETIC OVERPRINTING AS EVIDENCE OF NEO-ACADIAN TECTONISM IN NORTHERN APPALACHIAN PERI-GONDWANAN TERRANES: THOMPSON, M.D., Department of Geosciences, Wellesley College, Wellesley, MA 02481, mthompson@wellesley.edu and GRUNOW, A.M., Byrd Polar Research Institute, Ohio State University, Columbus, OH 43210
26-710:35 AM NEOACADIAN DEFORMATION WITHIN THE MEGUMA TERRANE: HORNE, Richard J., Natural Resources, Nova Scotia Government, 1701 Hollis St, P.O. Box 698, Halifax, NS B3J 2T9, Canada, rjhorne@gov.ns.ca, CULSHAW, Nicholas, Earth Sciences, Dalhousie Univ, 3006 Life Sciences Centre, Halifax, NS B3H 4J1, Canada, WHITE, Chris E., and KONTAK, Dan, Department of Earth Sciences, Laurentian University, Sudbury, ON P3E 2C6, Canada
26-810:55 AM THE NEOACADIAN OROGENY IN THE MEGUMA TERRANE, NOVA SCOTIA, CANADA: WHITE, Chris E.1, BARR, Sandra M.2, HORNE, Rick J.1, and HAMILTON, Mike A.3, (1) Nova Scotia Department of Natural Resources, P.O. Box 698, Halifax, NS B3J 2T9, Canada, whitece@gov.ns.ca, (2) Geology, Acadia Univ, Wolfville, NS B4P 2R6, Canada, (3) Department of Geology, University of Toronto, Toronto, ON M5S 3B1, Canada
26-911:15 AM NEOACADIAN PLUTONISM IN THE NEWFOUNDLAND APPALACHIANS: A POORLY CONSTRAINED BUT ECONOMICALLY IMPORTANT MAGMATIC EVENT: KERR, Andrew, Geological Survey of Newfoundland and Labrador, Department of Mines and Energy, PO Box 8700, St. John's, NF A1B 4J6 Canada, akr@zeppo.geosurv.gov.nf.ca
26-1011:35 AM WHAT IS THE ACADIAN OROGENY?: MURPHY, J. Brendan, Dept. of Earth Sciences, St. Francis Xavier University, Antigonish, NS B2G2W5, Canada, bmurphy@stfx.ca, KEPPIE, J. Duncan, Instituto de Geología, Universidad Nacional Autónoma de México, México DF, 04510, and NANCE, R. Damian, Geological Sciences, Ohio Univ, Athens, OH 45701
 11:55 AM Discussion

Back to the Northeastern Section - 42nd Annual Meeting (12–14 March 2007)
General Information for this Meeting