212 Recent Advances in the Understanding of Adirondack and Southern Grenville Province Tectonics II: In Honor of James McLelland

Oral Session
Topical Sessions


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Monday, 6 October 2008: 1:30 PM-5:30 PM
George R. Brown Convention Center, 322AB

Graham B. Baird , Catherine Shrady and Bruce Selleck
1:30 PM
Anatexis of Metapelites in the Adirondacks: The Importance of Shawinigan Orogenesis
Marion E. Bickford, Syracuse University; James M. McLelland, Colgate Univ
2:00 PM
Geochronology of Adirondack Pegmatites by LA-MC-ICP-MS
Jeffrey R. Chiarenzelli, St. Lawrence University; Marian Lupulescu, New York State Museum; Scott Johnston, University of Arizona; Alex Pullen, University of Arizona; Joseph J. Chiarenzelli, St. Lawrence University
2:30 PM
New SHRIMP Ages for Grenville Rocks of the Northern Blue Ridge, Virginia and Maryland: Redefinition of Mesoproterozoic Magmatic and Metamorphic Events
John N. Aleinikoff, U.S. Geological Survey; Scott Southworth, U.S. Geological Survey; Richard P. Tollo, George Washington Univ; C. Mark Fanning, Australian National Univ; William C. Burton, U.S. Geological Survey; Peter T. Lyttle, U.S. Geological Survey
2:45 PM
Petrographic Evidence for Excess Silica in Antiperthitic Plagioclase of the Montpelier Anorthosite, Virginia, and a Link with Extensive Myrmekite Development
Brent E. Owens, College of William and Mary; Robert F. Dymek, Washington University; Stephen C. Clement, College of William and Mary
3:00 PM
Timing of Mesoproterozoic Magmatism and Metamorphism in the Vicinity of Mount Rogers, Southwestern Virginia and Northwestern North Carolina: Implications for the Nature of Grenville-Age Orogenesis in the Southern Appalachians
Richard Tollo, George Washington University; John Aleinikoff, U.S. Geol Survey; Scott Southworth, U.S. Geological Survey; Joe Wooden, Stanford University; Frank Mazdab, Green Building, Rm 89; Mark Fanning, Australian National University
3:15 PM
3:30 PM
Finding the Water for Partial Melting of the Lower Crust
Sheila J. Seaman, University of Massachusetts; Michael L. Williams, University of Massachusetts; Christopher Koteas, University of Massachusetts, Amherst
3:45 PM
Proximal Facies of the 1.38 (?)- 1.33 Ga Carrizo Mountain Group, Trans-Pecos Texas
Stephen W. Grimes, University of Texas at Brownsville
4:00 PM
Grenville Tectonics In Texas: A Diachronous Orogeny
Sharon Mosher, Jackson School of Geosciences; Ben Davis, Jackson School of Geosciences; Stephen W. Grimes, University of Texas at Brownsville
4:30 PM
Tectonics and Collisional Architecture of the Grenville Margins of Laurentia and Amazonia
Ben A. van der Pluijm, University of Michigan; Eric Tohver, University of Western Australia
5:00 PM
The Grenville Orogen, the Mirovoi Ocean and Their Paleozoic Legacies
J. Brendan Murphy, St. Francis Xavier University; R. Damian Nance, Ohio University
5:15 PM
Concluding Remarks
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