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Northeastern Section - 42nd Annual Meeting (12–14 March 2007)

Session No. 26
Tuesday, 13 March 2007: 8:15 AM-12:00 PM

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, Advocates
Paper #
Start Time
 
8:15 AM
Introductory Remarks
1
8:20 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, TUCKER, Robert D., Department of Earth and Planetary Sciences, Washington Univ, St Louis, MO 63130, BERRY IV, Henry N., 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, peter.robinson@ngu.no, peter.robinson@ngu.no
2
8:40 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, 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, pylej@rpi.edu, pylej@rpi.edu
3
9:00 AM
THE BOUNDARY BETWEEN THE VERMONT AND NEW HAMPSHIRE TERRANES: AN ACADIAN CONUNDRUM
CHENEY, John T., Department of Geology, Amherst College, Amherst, MA 01002 and SPEAR, Frank S., Earth and Environmental Sciences, Rensselaer Polytechnic Institute, JSC 1W19, 110 8th Street, Troy, NY 12180, spearf@rpi.edu, spearf@rpi.edu
4
9:20 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 Jr, Robert D., Earth and Planetary Sciences, University of Tennessee, 306 Earth and Planetary Sciences Bldg, Knoxville, TN 37996-1410, arthurmerschat@hotmail.com, arthurmerschat@hotmail.com
5
9:40 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, bvmiller@geo.tamu.edu
 
10:00 AM
Break
6
10:15 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 and GRUNOW, A.M., Byrd Polar Research Institute, Ohio State University, Columbus, OH 43210, mthompson@wellesley.edu, mthompson@wellesley.edu
7
10:35 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, 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, rjhorne@gov.ns.ca, rjhorne@gov.ns.ca
8
10:55 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, (2)Geology, Acadia Univ, Wolfville, NS B4P 2R6, Canada, (3)Department of Geology, University of Toronto, Toronto, ON M5S 3B1, Canada, whitece@gov.ns.ca, whitece@gov.ns.ca
9
11:15 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, akr@zeppo.geosurv.gov.nf.ca
10
11:35 AM
WHAT IS THE ACADIAN OROGENY?
MURPHY, J. Brendan, Dept. of Earth Sciences, St. Francis Xavier University, Antigonish, NS B2G2W5, Canada, 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, bmurphy@stfx.ca, bmurphy@stfx.ca
 
11:55 AM
Discussion
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