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Session No. 322
Wednesday, 30 October 2013: 8:00 AM-12:00 PM
Room 505 (Colorado Convention Center)

T181. Modern Techniques, Models, and Interpretations of Ancient Orogens: 125 Years of Progress in Understanding the Grenville and Appalachian Orogens of Eastern North America

GSA Structural Geology and Tectonics Division; GSA Geophysics Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA History and Philosophy of Geology Division; Precambrian [At Large]; EarthScope; USGS National Cooperative Geologic Mapping Program; Geochemical Society

 

Chris Holm-Denoma and Arthur Merschat, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:05 AM
125 YEARS OF ATTEMPTING TO UNDERSTAND THE ORIGIN AND TECTONIC SIGNIFICANCE OF LATE ALKALIC SUITE INTRUSIONS PRESENT ALONG THE LAURENTIAN MARGIN-COMPOSITE ARC BELT BOUNDARY ZONE IN THE GRENVILLE OROGEN, ONTARIO: A STATUS REPORT
EASTON, R.M., Ontario Geological Survey, Earth Resources and Geoscience Mapping Section, B7064, 933 Ramsey Lake Road, Sudbury, ON P3E 6B5, Canada, mike.easton@ontario.ca
2
8:20 AM
CONSTRAINING THE DEPOSITIONAL HISTORY AND EVOLUTION OF THE TRANS-ADIRONDACK BACK-ARC BASIN USING DETRITAL ZIRCON GEOCHRONOLOGY
CHIARENZELLI, Jeffrey R.1, KRATZMANN, David J.1, SELLECK, Bruce2, CHRISTOFFERSEN, Peter1 and DURHAM, Ashley1, (1)Department of Geology, St. Lawrence University, Canton, NY 13617, (2)Department of Geology, Colgate University, 13 Oak Drive, Hamilton, NY 13346, jchiaren@stlawu.edu
3
8:35 AM
ANATECTIC ALUMINOUS GNEISSES FROM THE MID-P SEGMENT OF THE CENTRAL GRENVILLE PROVINCE: PETROGRAPHY, P-T EVOLUTION AND U-PB MONAZITE AGES
LASALLE, Stephanie1, INDARES, Aphrodite1, FISHER, Christopher2 and DUNNING, Greg1, (1)Department of Earth Sciences, Memorial University of Newfoundland (MUN), St. John's, NF A1B 3X5, Canada, (2)School of the Environment, Washington State University, Pullman, WA 99164, s.lasalle@mun.ca
4
8:50 AM
CRYSTALLIZATION MODELING AND TI-IN-ZIRCON THERMOMETRY SUPPORT THE “HOT” GRENVILLE GRANITE HYPOTHESIS
MOECHER, D.P., Earth & Env. Sci, University of Kentucky, Lexington, KY 40506-0053, MCDOWELL, Susanne M., Earth and Environmental Sciences, Vanderbilt University, Nashville, TN 37235, SAMSON, S.D., Department of Earth Sciences, Syracuse University, 204 Heroy Geology Laboratory, Syracuse, NY 13244 and MILLER, Calvin F., Department of Earth and Environmental Sciences, Vanderbilt University, Nashville, TN 37235, moker@uky.edu
5
9:05 AM
CONTRASTING LU-HF AND SM-ND AGES IN GARNETIFEROUS GNEISSES OF THE BLUE RIDGE PROVINCE, VIRGINIA: IMPLICATIONS FOR THE TIMING AND DURATION OF THE GRENVILLIAN OROGENY IN THE CENTRAL APPALACHIANS
VERVOORT, Jeffery D., School of the Environment, Washington State University, Pullman, WA 99164, RAMSEY, Molly J., Washington State University, PO Box 642812, Pullman, WA 99164, ALEINIKOFF, John N., U.S. Geological Survey, MS 963, Denver, CO 80225 and SOUTHWORTH, Scott, U.S. Geological Survey, MS 926A National Center, Reston, VA 20192-0001, vervoort@wsu.edu
6
9:20 AM
STRATIGRAPHY AND STRUCTURAL GEOMETRY OF THE NEOPROTEROZOIC ROCKFISH CONGLOMERATE, CENTRAL VIRGINIA BLUE RIDGE
FOSTER-BARIL, Zachary, Geology, College of William & Mary, P.O. Box 8795, Williamsburg, VA 23187-8795 and BAILEY, Christopher, Department of Geology, College of William & Mary, P.O. Box 8795, Williamsburg, VA 23187-8795, zsfosterbaril@email.wm.edu
 
9:35 AM
Break
7
9:50 AM
AGE OF THE WALDEN CREEK GROUP, WESTERN BLUE RIDGE PROVINCE: RESOLVING A DECADES-OLD CONTROVERSY VIA DETRITAL MINERAL GEOCHRONOLOGY AND SEDIMENTARY PROVENANCE ANALYSIS
KELLY, Evan A., Earth and Environmental Sciences, University of Kentucky, Lexington, KY 40508 and MOECHER, David P., Earth and Environmental Sciences, University of Kentucky, 101 Slone Bldg, 121 Washington St, Lexington, KY 40506, evan.a.kelly@uky.edu
8
10:05 AM
IAPETUS CLOSURE – VIEW FROM BALTICA
MAJKA, Jaroslaw1, GEE, David G.2, JANAK, Marian3 and KLONOWSKA, Iwona1, (1)Department of Earth Sciences, Uppsala University, Villavägen 16, Uppsala, SE-75236, Sweden, (2)Department of Earth Sciences, Uppsala University, Uppsala, 752 36, Sweden, (3)Geological Institute, Slovak Academy of Sciences, Bratislava, 84005, Slovak Republic, jaroslaw.majka@geo.uu.se
9
10:20 AM
LATE ORDOVICIAN ACCRETION OF THE CHOPAWAMSIC ARC IN THE WESTERN PIEDMONT OF VIRGINIA:  U-PB ZIRCON GEOCHRONOLOGY OF META-IGNEOUS AND META-SEDIMENTARY ROCKS ACROSS THE CHOPAWAMSIC FAULT
HUGHES, K. Stephen1, HIBBARD, James1, MILLER, Brent V.2 and POLLOCK, Jeff3, (1)Marine, Earth, and Atmospheric Sciences, North Carolina State University, 2800 Faucette Drive, Rm. 1125 Jordan Hall, Raleigh, NC 27695, (2)Dept. of Geology & Geophysics, Texas A&M University, College Station, TX 77843-3115, (3)Department of Earth Sciences, Mount Royal University, Calgary, AB T3E 6K6, Canada, kshughes@ncsu.edu
10
10:35 AM
TERRANE ACCRETION AND FORELAND BASIN FORMATION IN THE NORTHERN APPALACHIANS
MACDONALD, Francis A., Department of Earth and Planetary Sciences, Harvard University, 20 Oxford St, Cambridge, MA 02138, CROWLEY, James L., Department of Geosciences, Boise State University, Boise, ID 83725 and KARABINOS, Paul M., Department of Geosciences - Clark Hall, Williams College, 947 Main Street, Williamstown, MA 01267, fmacdon@fas.harvard.edu
11
10:50 AM
MORE STRUCTURES BEARING ON AN INITIAL ACADIAN EXTENSIONAL ORIGIN FOR THE DOMINANT STRUCTURES IN THE WESTERN APPALACHIAN FORELAND BASIN OF PENNSYLVANIA, AND NYS ANALOGS
JACOBI, Robert D., EQT and University at Buffalo, Department of Geology, 625 Liberty Avenue Suite 1700, Pittsburgh, PA 15222 and STARR, Joel, EQT Production, 625 Liberty Ave Suite 1700, Pittsburgh, PA 15222, rdjacobi@buffalo.edu
12
11:05 AM
PIEDMONT SUPERTHRUST AND SCHUYLKILL TECTONIC ZONE: KEYS TO ENIGMATIC JUNCTION OF NORTHERN AND SOUTHERN APPALACHIANS IN PA AND MD
WISE, Donald, Department of Geosciences, University of Massachusetts, Ahmerst, MA 01003, dwise@geo.umass.edu
13
11:20 AM
VORTICITY FROM KINEMATIC INDICATORS AND EXPOSITION OF REGIONAL SHEAR IN HIGH STRAIN ZONES OF THE CENTRAL AND SOUTHERN APPALACHIAN MOUNTAINS
BOBYARCHICK, Andy R., Department of Geography & Earth Sciences, University of North Carolina at Charlotte, 9201 University City Boulevard, Charlotte, NC 28223, arbobyar@uncc.edu
14
11:35 AM
POLYPHASE MOVEMENT ON THE ROSMAN FAULT, BREVARD ZONE, SOUTH CAROLINA
CLENDENIN Jr., C.W., SCDNR-Earth Science Group, 5 Geology Road, Columbia, SC 29212 and GARIHAN, John M., Earth & Environmental Sciences, Furman University, 3300 Poinsett Highway, Greenville, SC 29613, clendeninb@dnr.sc.gov
 
11:50 AM
Discussion
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