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GSA Annual Meeting, November 5-8, 2001

Session No. 124
Wednesday, 7 November 2001: 8:00 AM-12:00 PM

T88. New Topics in Grenville Tectonics: A New Look at Some Old Rocks

 

Eric L. Johnson, Philip R. Whitney and David Valentino, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
0
8:05 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 and CARL, James D., Department of Geology, SUNY College at Potsdam, Potsdam, NY 13676, pwhitne2@mail.nysed.gov, pwhitne2@mail.nysed.gov
0
8:20 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, (2)Geology and Geography, Northwest Missouri State Univ, Maryville, MO 64468, jfreese@mail.nwmissouri.edu, jfreese@mail.nwmissouri.edu
0
8:35 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, (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, fortega@servidor.unam.mx, fortega@servidor.unam.mx
0
8:50 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, ISACHSEN, Clark, Univ Arizona, 1040 E 4th St, Tucson, AZ 85721-0077 and MULLER, Peter, Earth Sciences, SUNY-Oneonta, Oneonta, NY 13820, jea4@psu.edu, jea4@psu.edu
0
9:05 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, 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, isachsen@geo.arizona.edu, isachsen@geo.arizona.edu
0
9:20 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 and HAMILTON, Michael A., J.C. Roddick Ion Microprobe Laboratory, Geol Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada, jmclelland@center.colgate.edu, jmclelland@center.colgate.edu
 
9:35 AM
Break
0
9:50 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, FOLAND, Kenneth A., Geological Sciences and Byrd Polar Research Center, The Ohio State Univ, 125 South Oval Mall, Columbus, OH 43210 and POMFREY, Mark E., Department of Geology, Kent State University, Kent, OH 44242, pdahl@geology.kent.edu, pdahl@geology.kent.edu
0
10:05 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, Johnsone@Hartwick.edu
0
10:20 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 and CHIARENZELLI, Jeffrey R., Department of Geology, State Univ of New York at Potsdam, Potsdam, NY 13676, dvalenti@oswego.edu, dvalenti@oswego.edu
0
10:35 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, 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 and MCLELLAND, James, Dept. Geology, Colgate Univ, Hamilton, NY 13346, solargs@bscmail.buffalostate.edu, solargs@bscmail.buffalostate.edu
0
10:50 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 and MACDONALD, William D., SUNY at Binghamton, PO Box 6000, Binghamton, NY 13902-6000, wdmacdon@binghamton.edu, wdmacdon@binghamton.edu
0
11:05 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, (2)Geological Sciences, Michigan State Univ, 206 Natural Sci. Bld, East Lansing, MI 48824-1115, coryc@geology.wisc.edu, coryc@geology.wisc.edu
 
11:20 AM
Concluding Remarks
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