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Joint 72nd Annual Southeastern/ 58th Annual Northeastern Section Meeting - 2023

Session No. 12
Friday, 17 March 2023: 1:30 PM-5:30 PM
Regency Ballroom A (Hyatt Regency Reston)

S6. The Grenville Orogen in Eastern North America

GSA Geophysics and Geodynamics Division

 

Gregory Walsh, Paul Mueller and Peter Valley, Conveners
Paper #
Start Time
 
1:30 PM
Introductory Remarks
12-1
1:35 PM
ORIGIN OF AMCG BODIES IN THE HUDSON RIVER LINEAMENT: AN OUTRAGEOUS HYPOTHESIS UPDATED
TURNER, Brian
12-2
1:55 PM
BEDROCK GEOLOGIC MAPPING IN THE ADIRONDACK HIGHLANDS, NEW YORK
WALSH, Gregory, U.S. Geological Survey, Montpelier, VT 05602, VALLEY, Peter, USGS Florence Bascom Geoscience Center, 12201 Sunrise Valley Dr., MS926A, Reston, VA 20192-0001, REGAN, Sean P., Geophysical Institute, University of Alaska Fairbanks, Fairbanks, AK 99775-9702, GEER, Phillip S., University of Massachusetts at Amherst, Amherst, MA 01003, MERSCHAT, Arthur, U.S. Geological Survey, Florence Bascom Geoscience Center, Reston, VA 20192, SUAREZ, Kaitlyn A., Department of Geosciences, University of Massachusetts, Amherst, 611 North Pleasant Street, Amherst, MA 01003, ALEINIKOFF, John N., U.S. Geological Survey Emeritus, Denver Federal Center, Denver, CO 80225 and MCALEER, Ryan J., Florence Bascom Geoscience Center, U.S. Geological Survey, 12201 Sunrise Valley Dr., Reston, VA 20192
12-3
2:15 PM
WHAT LIES BENEATH THE ADIRONDACK LOWLANDS? INSIGHTS FROM U-PB ZIRCON GEOCHRONOLOGY
TORAMAN, Erkan, Department of Geological Sciences, Salem State University, 352 Lafayette Street, Salem, MA 01970 and CHIARENZELLI, Jeffrey R., Department of Geology, St. Lawrence University, 147 Brown Hall, Canton, NY 13617
12-4
2:35 PM
NEOPROTEROZOIC DIKES OF THE NORTHEASTERN ADIRONDACK MOUNTAINS
VALLEY, Peter, US Geological Survey, Florance Bascom Geoscience Center, 12201 Sunrise Valley Dr., MS926A, Reston, VA 20191; USGS Florence Bascom Geoscience Center, PO Box 628, MONTPELIER, VT 05602, WALSH, Gregory, USGS Florence Bascom Geoscience Center, 12201 Sunrise Valley Dr., MS926A, Reston, VA 20192-0001, MCALEER, Ryan, U.S. Geological Survey, 954 National Center, Reston, VA 20192, HOLM-DENOMA, Chris, U.S. Geological Survey, Geology, Geophysics, and Geochemistry Science Center, Denver Federal Center, Denver, CO 80225 and ODOM III, William, Florence Bascom Geoscience Center, U.S. Geological Survey, 12201 Sunrise Valley Drive, Mail Stop 926A, Reston, VA 20192
12-5
2:55 PM
EVIDENCE FOR MULTIPLE AGES OF ANORTHOSITE EMPLACEMENT, MARCY MASSIF, ADIRONDACKS, NY
ALEINIKOFF, John, U.S. Geological Survey, Box 628, Denver, CO 80220 and WALSH, Gregory, U.S. Geological Survey, Montpelier, VT 05602
 
3:15 PM
Break
12-6
3:30 PM
STENIAN-TONIAN ANORTHOSITE AND RELATED ROCKS IN MARITIME CANADA: U-PB, TRACE-ELEMENT AND HF ISOTOPIC EVIDENCE FOR PROVENANCE
MILLER, Brent V.1, BARR, Sandra2 and WHITE, Chris E.2, (1)Department of Geology and Geophysics, Texas A&M Univ, College Station, TX 77843-3115, (2)Earth and Environmental Science, Acadia University, Wolfville, NS B4P 2R6, Canada
12-7
3:50 PM
THE AGE AND ORIGIN OF NELSONITE IN THE CENTRAL VIRGINIA BLUE RIDGE: EVIDENCE OF POST-GRENVILLE MAGMATISM DUE TO OROGENIC COLLAPSE
TEBBENS, Hannah, William & Mary, Williamsburg, VA 23185, BAILEY, C.M., Geological Society of America, 3300 Penrose Place, Boulder, VA 80301, FOSTER-BARIL, Zachary, Department of Geological Sciences, Jackson School of Geosciences, University of Texas at Austin, Austin, TX 78712, RUIZ, Daniel, Department of Geological Sciences, Jackson School of Geosciences, University of Texas at Austin, Austin, VA 78712, JUAREZ-ZUNIGA, Sandra, Department of Geological Sciences, The University of Texas at Austin, Austin, VA 78712 and STOCKLI, Daniel F., Department of Geological Sciences, Jackson School of Geosciences, University of Texas at Austin, 22275 Speedway Stop C9000, Austin, VA 78712
12-8
4:10 PM
TAKING THE TEMPERATURE OF GRENVILLIAN GRANITIC MAGMAS – HOW HOT IS HOT?
SAMSON, Scott, Earth & Environmental Sciences, Syracuse University, Syracuse, NY 13244 and MOECHER, David P., Department of Earth and Environmental Sciences, University of Kentucky, 101 Slone Bldg, Lexington, KY 40506-0053
12-9
4:30 PM
THE GRENVILLIAN EVOLUTION OF SOUTHEASTERN LAURENTIA AND POTENTIAL TECTONIC LINKS TO WESTERN AMAZONIA
MOECHER, David, Earth & Env. Sci, Univ. Kentucky, Lexington, KY 40506 and SAMSON, Scott, Earth & Environmental Sciences, Syracuse University, Syracuse, NY 13244
 
4:50 PM
Concluding Remarks
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