Northeastern Section–41st Annual Meeting (20–22 March 2006)
Session No. 13 Monday, 20 March 2006
1:00 PM-4:00 PM, Radisson Penn Harris Hotel and Convention Center: Keystone D/E

T13. Time Slices Across the Appalachians: Role of the Rheic Ocean in the Development of the Appalachian Orogen

R. Damian Nance and John Duncan Keppie, Presiding
 Paper #Start Time
 1:00 PM Introductory Remarks
13-11:05 PM ORIGIN OF THE RHEIC OCEAN: RIFTING ALONG A NEOPROTEROZOIC SUTURE?: MURPHY, J. Brendan, Department of Earth Sciences, St. Francis Xavier University, Antigonish, NS B2G 2W5, bmurphy@stfx.ca, GUTIERREZ-ALONSO, Gabriel, Departamento de Geologia, Universidad de Salamanca, Salamanca, 37008, Spain, NANCE, R. Damian, Geological Sciences, Ohio Univ, Athens, OH 45701, FERNANDEZ-SUAREZ, Javier, Departmento de Petrologia y Geoquimica, Universidad Complutense, Madrid, 28040, KEPPIE, J. Duncan, Instituto de Geología, Universidad Nacional Autónoma de México, México DF, 04510, QUESADA, Cecilio, Unidad de Coordinación de Programas, Instituto Geológico y Minero de España, Ríos Rosas 23, Madrid, 28003, Spain, STRACHAN, Rob A., School of Earth and Environmental Sciences, University of Portsmouth, Burnaby Road, Portsmouth, PO1 3QL, and DOSTAL, Jarda, Earth Sciences, St. Mary's Univ, Halifax, NS B3H 3C3, Canada
13-21:25 PM BIRTH OF THE RHEIC OCEAN, A 2-STAGE PROCESS ON THE SOUTHERN (MEXICAN) MARGIN: KEPPIE, John Duncan, Instituto de Geologia, Universidad Nacional Autonoma de Mexico, Ciudad Universitaria, Mexico, 04510, Mexico, duncan@servidor.unam.mx, NANCE, R. Damian, Geological Sciences, Ohio Univ, Athens, OH 45701, MURPHY, James Brendan, Department of Earth Sc iences, St. F.X. Univ, Antigonish, NS B2G 2W5, Canada, DOSTAL, Jarda, Earth Sciences, St. Mary's Univ, Halifax, NS B3H 3C3, Canada, and MILLER, Brent V., Department of Geology and Geophysics, Texas A & M, College Station, TX 77843
13-31:45 PM LOWER PALEOZOIC OF NORTHWEST GONDWANA—TERMINAL CAMBRIAN AND LOWEST ORDOVICIAN TIÑU FORMATION IN SOUTHERN MEXICO: LANDING, Ed, N.Y.S. Museum, Madison Avenue, Albany, NY 12230, elanding@mail.nysed.gov, KEPPIE, J. Duncan, Instituto de Geología, Universidad Nacional Autónoma de México, México DF, 04510, and WESTROP, Stephen R., Oklahoma Museum of Natural History and School of Geology & Geophysics, Univ of Oklahoma, Norman, OK 73072
13-42:05 PM THE ACATLÁN COMPLEX, SOUTHERN MEXICO: RECORD OF THE ASSEMBLY, DURATION AND BREAKUP OF PANGEA: NANCE, R. Damian, Dept. of Geological Sciences, Ohio Univ, Athens, OH 45701, nance@ohiou.edu, MILLER, Brent V., Department of Geology & Geophysics, Texas A&M Univ, College Station, TX 77843-3115, KEPPIE, J. Duncan, Instituto de Geología, Universidad Nacional Autónoma de México, México DF, 04510, MURPHY, J. Brendan, Department of Earth Sciences, St. Francis Xavier University, Antigonish, NS B2G 2W5, and DOSTAL, Jaroslav, Saint Mary's Univ, Department of Geology, Halifax, NS B3H 3C3, Canada
13-52:25 PM ZIRCON RECYCLING FROM THE GONDWANAN MARGIN OF THE RHEIC OCEAN: THE ROLE OF MEGACRYSTIC GRANITOIDS OF THE ACATLÁN COMPLEX, SOUTHERN MEXICO: MILLER, Brent, Dept. of Geological Sciences, Univ of North Carolina, Chapel Hill, NC 27599-3315, bvmiller@email.unc.edu, NANCE, R. Damian, Dept. of Geological Sciences, Ohio Univ, Athens, OH 45701, MURPHY, J. Brendan, Department of Earth Sciences, St. Francis Xavier University, Antigonish, NS B2G 2W5, KEPPIE, J. Duncan, Instituto de Geología, Universidad Nacional Autónoma de México, México DF, 04510, and DOSTAL, Jarda, Earth Sciences, St. Mary's Univ, Halifax, NS B3H 3C3, Canada
 2:45 PM Break
13-63:00 PM TECTONOMAGMATIC AND PALEOZOIC EVOLUTION OF PLUTONIC ROCKS IN THE NORTHERN ACATLÁN COMPLEX, LA NORIA AREA, SOUTHERN MEXICO: HINOJOSA-PRIETO, Hector R., Geological Sciences, Ohio University, 316 Clippinger Laboratories, Athens, OH 45701, hh211504@ohio.edu, NANCE, R. Damian, Geological Sciences, Ohio Univ, 316 Clippenger Laboratories, Athens, OH 45701, KEPPIE, J. Duncan, Instituto de Geología, Universidad Nacional Autónoma de México, México DF, 04510, DOSTAL, Jaroslav V., Department of Geology, St. Mary’s University, Halifax, NS B3H 3C3, Canada, MILLER, Brent V., Department of Geology and Geophysics, Texas A & M, College Station, TX 77843, and MURPHY, J. Brendan, Dept. of Earth Sciences, St. Francis Xavier University, Antigonish, NS B2G2W5, Canada
13-73:20 PM STRUCTURAL ANALYSIS OF MORB PILLOW BASALTS AND CLASTIC ROCKS OF THE SOUTHWESTERN COSOLTEPEC FORMATION, ACATLÁN COMPLEX, SOUTHERN MEXICO: A REMNANT OF THE RHEIC OCEAN: GRODZICKI, Kathryn R., Dept. of Geological Sciences, Ohio University, 316 Clippinger Labs, Athens, OH 45701, kg229504@ohio.edu, NANCE, R. Damian, Dept. of Geological Sciences, Ohio Univ, Athens, OH 45701, KEPPIE, John Duncan, Instituto de Geologia, Universidad Nacional Autonoma de Mexico, Ciudad Universitaria, Mexico, 04510, Mexico, DOSTAL, Jaroslav, Saint Mary's Univ, Department of Geology, Halifax, NS B3H 3C3, Canada, and MURPHY, J. Brendan, Dept. of Earth Sciences, St. Francis Xavier University, Antigonish, NS B2G2W5, Canada
13-83:40 PM DEVONO-CARBONIFEROUS AND PERMIAN TECTONOTHERMAL EVENTS IN THE NORTHERN ACATLÁN COMPLEX, SOUTHERN MEXICO: A RECORD OF CLOSURE OF THE RHEIC OCEAN FOLLOWED BY CONVERGENCE ON THE PACIFIC MARGIN OF PANGEA: BARLEY, Brent, Geological Sciences, Ohio University, 316 Clippinger Laboratories Ohio University, Athens, OH 45701, bb127000@ohio.edu, KEPPIE, J. Duncan, Instituto de Geología, Universidad Nacional Autónoma de México, México DF, 04510, and NANCE, R. Damian, Geological Sciences, Ohio Univ, 316 Clippenger Laboratories, Athens, OH 45701

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