Session No. 124 Wednesday, November 7, 2001

8:00 AM-12:00 PM, Hynes Convention Center: 100
T88. New Topics in Grenville Tectonics: A New Look at Some Old Rocks
Eric L. Johnson, Philip R. Whitney and David Valentino, Presiding
 Paper #Start Time
 8:00 AM Introductory Remarks
124-08:05 AM GEOCHEMICAL COMPARISON OF METAIGNEOUS ROCKS IN THE ADIRONDACK HIGHLANDS AND LOWLANDS: DIFFERENT ROCKS, DIFFERENT TERRANES: WHITNEY, Philip R., New York State Museum, Room 3140 CEC, Albany, NY 12230, pwhitne2@mail.nysed.gov and CARL, James D., Department of Geology, SUNY College at Potsdam, Potsdam, NY 13676
124-08:20 AM TECTONIC EVOLUTION OF THE EASTERN LLANO UPLIFT, CENTRAL TEXAS: A RECORD OF GRENVILLE OROGENESIS ALONG THE SOUTHERN LAURENTIAN MARGIN: MOSHER, Sharon1, REESE, J. F.2, HOH, A. M.1, and ZUMBRO, J. A.1, (1) Univ Texas - Austin, Dept Geological Sciences, Austin, TX 78712, mosher@mail.utexas.edu, (2) Geology and Geography, Northwest Missouri State Univ, Maryville, MO 64468, jfreese@mail.nwmissouri.edu
124-08:35 AM MASSIF ANORTHOSITE OF OAXAQUIA AND ITS ROLE IN THE TECTONIC EVOLUTION AND CORRELATION OF THE MEXICAN GRENVILLE: ORTEGA-GUTIERREZ, Fernando1, SCHULZE, Carlos1, SOLARI, Luigi1, CAMERON, Ken2, KEPPIE, John Duncan1, LOPEZ, Robert3, and DOSTAL, Jarda4, (1) Inst. de Geologia, UNAM, Ciudad Universitaria, Mexico DF, 04510, Mexico, fortega@servidor.unam.mx, (2) Earth Sciences, Univ of California, Santa Cruz, CA 95064, (3) 127 Arrow Ln, Felton, CA 95018-9624, (4) Earth Sciences, St. Mary's Univ, Halifax, NS, Canada
124-08:50 AM CONDITIONS AND TIMING OF EMPLACEMENT OF THE MARCY ANORTHOSITE, NE ADIRONDACK HIGHLANDS, INFERRED FROM ANATECTITES IN ITS AUREOLE: PART 1, FIELD RELATIONSHIPS AND P-T ESTIMATES: ALCOCK, J., Environmental Sciences, Penn State Abington College, 1600 Woodland Rd, Abington, PA 19001, jea4@psu.edu, ISACHSEN, Clark, Univ Arizona, 1040 E 4th St, Tucson, AZ 85721-0077, and MULLER, Peter, Earth Sciences, SUNY-Oneonta, Oneonta, NY 13820
124-09:05 AM CONDITIONS AND TIMING OF EMPLACEMENT OF THE MARCY ANORTHOSITE, NE ADIRONDACK HIGHLANDS, INFERRED FROM ANATECTITES IN ITS AUREOLE: PART 2, U-PB GEOCHRONOLOGY: ISACHSEN, Clark, Univ Arizona, 1040 E 4th St, Tucson, AZ 85721-0077, isachsen@geo.arizona.edu, ALCOCK, J., Environmental Sciences, Penn State Abington College, 1600 Woodland Rd, Abington, PA 19001, and LIVI, K., Earth and Planetary Sciences, Johns Hopkins Univ, Baltimore, MD 21218
124-09:20 AM NEW SHRIMP II AGES FOR ADIRONDACK CHARNOCKITE AND FERRODIORITE RELATED TO MASSIF ANORTHOSITE: IMPLICATIONS FOR GEOLOGIC HISTORY AND AMCG AGE: MCLELLAND, James M., Colgate Univ, 13 Oak Dr, Hamilton, NY 13346-1386, jmclelland@center.colgate.edu and HAMILTON, Michael A., J.C. Roddick Ion Microprobe Laboratory, Geol Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada
 9:35 AM Break
124-09:50 AM 40AR/39AR THERMOCHRONOLOGY OF HORNBLENDE AND BIOTITE, ADIRONDACK LOWLANDS (NEW YORK), WITH IMPLICATIONS FOR EVOLUTION OF A MAJOR SHEAR ZONE: DAHL, Peter S., Department of Geology, Kent State Univ, Kent, OH 44242, pdahl@geology.kent.edu, FOLAND, Kenneth A., Department of Geological Sciences, Ohio State Univ, 125 South Oval, Columbus, OH 43210, and POMFREY, Mark E., Department of Geology, Kent State University, Kent, OH 44242
124-010:05 AM THE CARTHAGE COLTON MYLONITE (SHEAR) ZONE: A DEEPLY-SEATED STRIKE SLIP BOUNDARY IN THE GRENVILLE: JOHNSON, Eric Lee, Geology, Hartwick College, Miller Science, Oneonta, NY 13820, Johnsone@Hartwick.edu.
124-010:20 AM DID THE SNOWY MOUNTAIN ANORTHOSITE (ADIRONDACKS, NY) BEHAVE AS A MEGA-PORPHYROCLAST DURING REGIONAL DUCTILE DEFORMATION?: VALENTINO, David W., Department of Earth Sciences, State Univ of New York at Oswego, Oswego, NY 13126, dvalenti@oswego.edu and CHIARENZELLI, Jeffrey R., Department of Geology, State Univ of New York at Potsdam, Potsdam, NY 13676
124-010:35 AM EVIDENCE FOR RETROGRESSION DURING PROGRESSIVE DEFORMATION IN THE PISECO LAKE TECTONITE ZONE, SOUTHERN ADIRONDACKS, NEW YORK: CHIARENZELLI, Jeffrey R., Department of Geology, State Univ of New York at Potsdam, Potsdam, NY 13676, chiarenv@redcreek.net, VALENTINO, David W., Department of Earth Sciences, State Univ of New York at Oswego, Oswego, NY 13126, SOLAR, Gary S., Department of Earth Sciences, SUNY College at Buffalo, Buffalo, NY 14222, solargs@bscmail.buffalostate.edu, and MCLELLAND, James, Dept. Geology, Colgate Univ, Hamilton, NY 13346
124-010:50 AM MULTIPLE FOLIATIONS IN DIANA SYENITE, CARTHAGE-COLTON MYLONITE ZONE, ADIRONDACKS: MAGNETOFABRIC AND PETROFABRIC EVIDENCE AND IMPLICATIONS: BAIRD, Graham, 9527 Cotes Rd, Holland Patent, NY 13354, x8a7@juno.com and MACDONALD, William D., SUNY at Binghamton, PO Box 6000, Binghamton, NY 13902-6000, wdmacdon@binghamton.edu
124-011:05 AM PETROGENESIS OF THE WILLSBORO-LEWIS WOLLASTONITE SKARNS, NORTHEAST ADIRONDACK MTS, NEW YORK: CLECHENKO, Cory C.1, VALLEY, John W.1, and PATINO, Lina2, (1) Geology and Geophysics, Univ. of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53706, coryc@geology.wisc.edu, (2) Geological Sciences, Michigan State Univ, 206 Natural Sci. Bld, East Lansing, MI 48824-1115
 11:20 AM Concluding Remarks

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