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GSA 2020 Connects Online

Session No. 132
Wednesday, 28 October 2020: 1:30 PM-5:30 PM

T3. Assembling Laurentia: Mesoproterozoic to Early Neoproterozoic Tectonic Evolution of Laurentia and Its Role within the Supercontinent Rodinia I

GSA Structural Geology and Tectonics Division; GSA Geochronology Division; GSA Geophysics and Geodynamics Division; GSA Sedimentary Geology Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; Mineralogical Society of America; GSA International

 

Nicholas L. Swanson-Hysell, Toby Rivers and Suzan van der Lee, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
132-1
1:35 PM
EVIDENCE FOR A CONCEALED MIDCONTINENT RIFT-RELATED NORTHEAST IOWA INTRUSIVE COMPLEX
DRENTH, Benjamin J., U.S. Geological Survey, MS 964 Denver Federal Center, Denver, CO 80225, SOUDERS, Kate, US Geological Survey, Denver, CO 80225, SCHULZ, Klaus J., U.S. Geological Survey, 954 National Center, 12201 Sunrise Valley Dr, Reston, VA 20192, FEINBERG, Joshua M., John T Tate Hall Rm. 150, John T Tate Hall Rm. 150, 116 Church St SE, Minneapolis, MN 55455, ANDERSON, Raymond, 2155 Prairie du Chien Rd NE, 2155 Prairie du Chien Rd NE, iowa city, IA 52240, CHANDLER, Val W., Minnesota Geological Survey, Univ of Minnesota, 2609 Territorial Road, St. Paul, MN 55114, CANNON, William F., US Geological Survey, 12201 Sunrise Valley Dr, MS 954, Reston, VA 20192-0001 and CLARK, Ryan J., Iowa Geological Survey, IIHR - Hydroscience & Engineering, 300 Trowbridge Hall, Iowa City, IA 52242
132-2
1:50 PM
A NEW U–PB BADDELEYITE CRYSTALLIZATION AGE OF A CORSON DIABASE SILL AT THE TYPE LOCALITY, EASTERN SOUTH DAKOTA, U.S.A. SUGGESTS WIDESPREAD, EARLY, CA. 1140 MA PHASE OF MID-CONTINENT RIFT MAGMATISM
MCCORMICK, Kelli A., Dept. of Mining Engineering and Management, South Dakota School of Mines & Technology, 501 E. St. Joseph St., Rapid City, SD 57701, CHAMBERLAIN, Kevin R., Department of Geology and Geophysics, University of Wyoming, 1000 University Avenue, Laramie, WY 82071 and PATERSON, Colin J., Dept. of Geology and Geological Engineering, South Dakota School of Mines & Technology, 501 E. St. Joseph Street, Rapid City, SD 57701
132-3
2:05 PM
MESOPROTEROZOIC TO CENOZOIC THERMAL HISTORIES OF GRAND CANYON BASEMENT FROM ZIRCON (U-TH)/HE AND K-SPAR 40AR/39AR THERMOCHRONOLOGY
THURSTON, Olivia, Department of Geology, University of Illinois at Urbana-Champaign, 1301 W Green St, Urbana, IL 61801, GUENTHNER, William R., Department of Geology, University of Illinois at Urbana-Champaign, 3081 Natural History Building, 1301 W. Green St., Urbana, IL 61801, KARLSTROM, Karl E., Earth and Planetary Sciences, University of New Mexico, Northrop Hall, Albuquerque, NM 87131, HEIZLER, Matthew, New Mexico Geochronology Research Laboratory, New Mexico Bureau of Mines & Mineral Resources, 801 Leroy Place, New Mexico Tech, Socorro, NM 87801 and RICKETTS, Jason W., Department of Geological Sciences, The University of Texas at El Paso, 500 W University Ave, El Paso, TX 79902
132-4
2:20 PM
NORTH CHINA CRATON: THE CONJUGATE MARGIN FOR NORTHWESTERN LAURENTIA IN RODINIA
DING, Jikai1, ZHANG, Shihong2, EVANS, David A.D.3, YANG, Tianshui2, LI, Haiyan4, WU, Huaichun5 and CHEN, Jianping2, (1)China University of Geosciences (Beijing), 29 Xueyuan Road, Haidian District, Beijing, 100083, China; China University of Geosciences (Beijing), 29 Xueyuan Road, Haidian District, Beijing, 100083, China, (2)School of Earth Sciences and Resources, China University of Geosciences, Beijing, 100083, China, (3)the department of earth and planetary science, 210 Whitney, New Haven, CT 06520, (4)China University of Geosciences (Beijing), 29 Xueyuan Road, Haidian District, Beijing, 100083, China, (5)School of Ocean Sciences, China University of Geosciences, Beijing, Beijing, 100083, China
132-5
2:35 PM
EVOLUTION OF MESOPROTEROZOIC BASINS IN ARCTIC CANADA DURING RODINIA ASSEMBLY (Invited Presentation)
TURNER, Elizabeth C., Harquail School of Earth Sciences, Laurentian University, Sudbury, ON P3E 2C6, Canada
132-6
2:50 PM
RE-OS GEOCHRONOLOGY HIGHLIGHTS WIDESPREAD LATEST MESOPROTEROZOIC (CA. 1090-1050 MA) INTRACRATONIC BASIN DEVELOPMENT ON LAURENTIA
GREENMAN, J. Wilder1, ROONEY, Alan D.2, PATZKE, Mollie3, IELPI, Alessandro3 and HALVERSON, Galen P.1, (1)Department of Earth and Planetary Sciences, McGill University, Montreal, QC H3A 0E8, Canada, (2)Department of Earth and Planetary Sciences, Yale University, New Haven, CT 06511, (3)Harquail School of Earth Sciences, Laurentian University, Sudbury, ON P3E 2C6, Canada
 
3:05 PM
Mesoproterozoic Basin and Rift Discussion
132-7
3:20 PM
EARLY ARC-RELATED UHP METAMORPHISM PRESERVED IN THE COMPOSITE ARC BELT, GRENVILLE OROGEN, ONTARIO, CANADA
EASTON, Robert Michael, Earth Resources and Geoscience Mapping Section, Ontario Geological Survey, 933 Ramsey Lake Road, 7th Floor, Sudbury, ON P3E 6B5, Canada
132-8
3:35 PM
CONSTRAINTS ON GRENVILLE OROGENIC PROCESSES BENEATH CENTRAL AND EASTERN NORTH AMERICA FROM SEISMIC IMAGING OF CRUSTAL STRUCTURE (Invited Presentation)
LONG, Maureen D.1, KING, Scott D.2, ARAGON, John C.1 and BENOIT, Margaret H.3, (1)Department of Earth and Planetary Sciences, Yale University, New Haven, CT 06520, (2)Department of Geosciences, Virginia Tech, Blacksburg, VA 24060, (3)National Science Foundation, Earthscope Program, 2415 Eisenhower Avenue, Alexandria, VA 22314
132-9
3:50 PM
BIVERGENT SUBDUCTION DURING THE GRENVILLIAN OROGENY? GEOCHEMICAL AND ISOTOPIC EVIDENCE FROM THE CENTRAL GRENVILLE PROVINCE IN QUEBEC
MAITY, Barun K. and RIVERS, Toby, Earth Sciences, Memorial University, 230 Elizabeth Avenue, St. John's, NF A1B 3X5, Canada
132-10
4:05 PM
OBLIQUE EXTENSION DURING COLLISIONAL OROGENESIS AND THE ARCHITECTURE OF THE ADIRONDACK MOUNTAINS, SOUTHERN GRENVILLE PROVINCE (Invited Presentation)
REGAN, Sean P., Department of Geosciences, University of Alaska at Fairbanks, 900 Yukon dr, Fairbanks, AK 99775, PECK, William H., Department of Geology, Colgate University, 13 Oak Drive, Hamilton, NY 13346, MISTIKAWY, Justin, Geosciences, University of Massachusetts Amherst, 627 N. Pleasant St., Morrill Science Center, Amherst, MA 01003-9354, WILLIAMS, Michael L., Department of Geosciences, University of Massachusetts, Amherst, MA 01003-9297, CHIARENZELLI, Jeffrey R., Department of Geology, St. Lawrence University, 147 Brown Hall, Canton, NY 13617, BAIRD, Graham B., Earth Sciences, University of Northern Colorado, University of Northern Colorado, Campus Box 100, Greeley, CO 80639 and GROVER, Timothy W., Earth & Atmospheric Sciences, University of Northern Colorado, Campus Box 100, Greeley, CO 80639
132-11
4:20 PM
WAS THERE A “GREAT GRENVILLE SEDIMENTATION EPISODE” (GGSE) ACROSS AMAZONIA FOLLOWING RODINIAN ASSEMBLY? EXPLORING THE CLASTIC RECORD IN SOUTHWESTERN BRAZIL USING DETRITAL ZIRCON GEOCHRONOLOGY
HARRIS, Felicia R., Earth & Environmental Sciences, University of Kentucky, 101 Slone Bldg., Lexington, KY 40506, MOECHER, David P., Earth & Env. Sciences, University of Kentucky, 101 Slone Bldg, Lexington, KY 40506-0053 and TOHVER, Eric, Instituto de Geosciencias, Universidade de Sao Paulo, Sao Paulo, Brazil
 
4:35 PM
Grenville Orogeny Discussion
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