GSA 2020 Connects Online

Session No. 7
Monday, 26 October 2020: 1:30 PM-5:30 PM

T20. Topographic and Lithospheric Evolution of Elevated Continental Passive Margins

GSA Structural Geology and Tectonics Division

 

Peter J. Haproff, Jaclyn S. Baughman and Michelle Fame, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
7-1
1:35 PM
ORIGIN OF THIN NORTHERN CANADIAN CORDILLERA LITHOSPHERE: RECENT DELAMINATION?
YU, Tai-Chieh1, CURRIE, Claire A.1, AUDET, Pascal2, SCHAEFFER, Andrew J.3 and WANG, Zhirui1, (1)Department of Physics, University of Alberta, Edmonton, AB T6G 2E1, Canada, (2)Earth and Environmental Science, University of Ottawa, 120 University Pr, FSS Hall 15032, Ottawa, ON K1N 6N5, Canada, (3)Geological Survey of Canada, Pacific Division, Vancouver, BC V6B 5J3, Canada
7-2
1:50 PM
RELATIVE TIMING OF BASEMENT-INVOLVED FAULTING, DETACHED SHORTENING, AND SALT MOVEMENT DURING RIFTING IN THE SALT-RICH EASTERN ORPHEUS RIFT BASIN, OFFSHORE SOUTHEASTERN CANADA
HANAFI, Bari R.1, WITHJACK, Martha O.1, SCHLISCHE, Roy W.1, DURCANIN, Michael A.2 and SYAMSIR, Zulfitriadi3, (1)Department of Earth and Planetary Sciences, Rutgers University, 610 Taylor Road, Piscataway, NJ 08854-8066, (2)Murphy Exploration and Production Company, Houston, TX 77024, (3)ExxonMobil International Limited, Leatherhead, United Kingdom
7-3
2:05 PM
MODIFICATION OF CRUST AND MANTLE LITHOSPHERE BENEATH THE SOUTHERN PART OF THE EASTERN NORTH AMERICAN PASSIVE MARGIN (Invited Presentation)
LI, Cong, Geoscience, University of Massachusetts, Amherst, 279 Amherst Rd, Apt 43, Sunderland, MA 10375 and GAO, Haiying, Department of Geosciences, University of Massachusetts Amherst, 627 N Pleasant St, Amherst, MA 01003
7-4
2:20 PM
POST-RIFT TECTONIC EVOLUTION OF THE CHAMPLAIN VALLEY REVEALED BY U-PB DATING OF CALCITE IN FAULTS AND FRACTURES
AMIDON, William H.1, KYLANDER-CLARK, Andrew2, GRAF, Sam1, BARR, Matt1, ROBBINS, Liesel, Sue1, COOPER BOEMMELS, Jennifer3 and CRESPI, Jean4, (1)Department of Geology, Middlebury College, 14 Old Chapel Road, Middlebury, VT 05753, (2)Dept. of Earth Science, UC Santa Barbara, Santa Barbara, CA 93106-9630, (3)Department of Geosciences, University of Connecticut, 354 Mansfield Road - Unit 1045, Storrs, CT 06269; Department of Earth Science, Southern Connecticut State University, 501 Crescent Street, New Haven, CT 06515, (4)Department of Geosciences, University of Connecticut, Storrs, CT 06269
7-5
2:35 PM
PASSIVE MARGIN SEDIMENTATION DURING THE EARLY DRIFT PHASE OF THE U.S. MID-ATLANTIC: PERSPECTIVES FROM U-PB DETRITAL ZIRCON GEOCHRONOLOGY
PARENT, Andrew1, ROMANS, Brian W.1, MASON, Cody C.2, FOSTER-BARIL, Zachary3, COVAULT, Jacob A.4 and STOCKLI, Daniel F.3, (1)Geosciences, Virginia Tech, 4044 Derring Hall, Virginia Tech, Blacksburg, VA 24061, (2)Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061, (3)Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, Austin, TX 78712, (4)Bureau of Economic Geology, University of Texas at Austin, Austin, TX 78713
7-6
2:50 PM
TECTONICS OF THE GULF OF MEXICO – WHERE ARE WE AND WHERE ARE WE GOING?
FILINA, Irina1, STERN, Robert J.2, SNEDDEN, John3, NORTON, Ian O.3, MINGUEZ, Daniel4, LUNDIN, Erik5, JOHNSON, Elizabeth4, DORÉ, Anthony6 and AUSTIN, James A.3, (1)Department of Earth and Atmospheric Sciences, University of Nebraska-Lincoln, Lincoln, NE 68588, (2)Department of Geosciences, University of Texas at Dallas, 17217 Waterview Pkwy #1.201, Dallas, TX 75080, (3)Jackson School of Geosciences, Institute for Geophysics, The University of Texas at Austin, Austin, TX 78758, (4)Chevron Energy Technology Company, 1500 Louisiana St., Houston, TX 77002, (5)Equinor, Arkitekt Ebbels vei 10, Trondheim, 7053, Norway, (6)Energy & Geoscience Institute, Salt Lake City, UT 84108
 
3:05 PM
Discussion
 
3:20 PM
Break
7-7
3:30 PM
TOPOGRAPHIC AND GRAVITY EXPRESSIONS OF LITHOSPHERE REMOVAL
QUIROGA, David, Geophysics, University of Alberta, 116 St & 85 Ave, Edmonton, AB T6G 2E9, Canada, CURRIE, Claire A., Department of Oceanography, Dalhousie University, Halifax, NS B3H 4J1, Canada and PEARSE, Jillian, Geosciences, Universidad de los Andes, Bogota, Colombia
7-8
3:45 PM
RIVER CAPTURE AND TRANSIENT INCISION ACROSS LITHOLOGICALLY CONTROLLED TOPOGRAPHIC BARRIERS IN AMAZONIA'S EASTERN GUIANA SHIELD
FADUL, Camila Morato, Departamento de Geologia, Universidade Federal de Ouro Preto, Morro do Cruzeiro - s/n - Bauxita, Departamento de Geologia, Ouro Preto, 35400000, Brazil and VAL, Pedro, Departamento de Geologia, Universidade Federal de Ouro Preto, Morro do Cruzeiro s/n - Bauxita, Departamento de Geologia, Ouro Preto, 35400000, Brazil
7-9
4:00 PM
THERMAL EVOLUTION OF RIFTING AND TECTONIC INVERSION IN THE NORTH PYRENEAN ZONE USING MULTI-MINERAL THERMOCHRONOLOGY (Invited Presentation)
ODLUM, Margaret, Department of Geosciences, Utah State University, 4505 Old Main Hill, Logan, UT 84322, TERNOIS, Sébastien, Université Paris-Saclay, Paris, 91190, France, LEVY, Drew A., Nevada Bureau of Mines and Geology, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557 and STOCKLI, Daniel F., Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, Austin, TX 78712
4:15 PM
PUNCTUATED OROGENY DURING THE ASSEMBLY OF ASIA: PROTEROZOIC-PALEOZOIC GEOLOGIC HISTORY OF THE NORTH CHINA CRATON AND TIBETAN PLATEAU
WU, Chen, Key laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, and Center for Excellence in Tibetan Plateau Earth Sciences, Chinese Academy of Sciences, Beijing, 100081, China, ZUZA, Andrew V., Nevada Bureau of Mines and Geology, University of Nevada, Reno, NV 89557, HAPROFF, Peter J., Earth and Ocean Sciences, University of North Carolina at Wilmington, Wilmington, NC 28403, CHEN, Xuanhua, SinoProbe Center, Chinese Academy of Geological Sciences, Beijing, 100037, China, YIN, An, Department of Earth, Planetary, and Space Science, University of California, Los Angeles, CA 90095-1567 and DING, Lin, Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, 100101, China
4:30 PM
ROLE OF LITHOSPHERIC-SCALE WEDGE TECTONICS IN THE FORMATION OF THE SICHUAN FORELAND BASIN (Invited Presentation)
SIMON, Abijah, Earth, Planetary, and Space Science, UCLA, Los Angeles, CA 90025 and YIN, An, Department of Earth, Planetary, and Space Science, University of California, Los Angeles, CA 90095-1567
 
4:45 PM
Discussion
 
5:00 PM
Break
5:05 PM
PRELIMINARY CONSTRAINTS ON THE LITHO-TECTONIC FRAMEWORK OF THE EASTERNMOST HIMALAYA, SIANG VALLEY REGION, BASED ON GEOLOGIC MAPPING AND U-PB ZIRCON GEOCHRONOLOGY
HOOKER, Julian D., Earth and Ocean Sciences, University of North Carolina Wilmington, 601 S. College Rd, Wilmington, NC 28403, HAPROFF, Peter J., Earth and Ocean Sciences, University of North Carolina at Wilmington, Wilmington, NC 28403, ZUZA, Andrew V., Nevada Bureau of Mines and Geology, University of Nevada, Reno, NV 89557, YIN, An, Department of Earth, Planetary, and Space Sciences, University of California, Los Angeles, Los Angeles, CA 90095 and WU, Chen, Key laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, and Center for Excellence in Tibetan Plateau Earth Sciences, Chinese Academy of Sciences, Beijing, 100081, China
5:15 PM
MID-CRETACEOUS EXHUMATION OF THE NORTHERN APPALACHIAN MOUNTAINS, VERMONT, FROM APATITE (U-TH)/HE THERMOCHRONOLOGY
SAGA, Rose, BASLER, Luke, BAUGHMAN, Jaclyn S. and FAME, Michelle, Earth and Oceanographic Science, Bowdoin College, Brunswick, ME 04011
 
5:25 PM
Concluding Remarks
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