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GSA Connects 2021 in Portland, Oregon

Session No. 66
Monday, 11 October 2021: 8:00 AM-12:00 PM
A107–A109 (Oregon Convention Center)

T15. The 100-Ma Event on the Western Margin of North America

GSA Structural Geology and Tectonics Division

 

Basil Tikoff, Michael L. Wells and Sarah Trevino, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
66-1
8:05 AM
TECTONIC TEMPOS OF THE NORTH AMERICA CORDILLERA RETROARC DURING THE MID-CRETACEOUS: EXPLORING INTERCONNECTIONS BETWEEN PLATE DYNAMICS, THRUST SLIP HISTORIES, FORELAND BASIN SEDIMENTATION, AND THE ARCHIVE OF ARC MAGMATISM FROM NEVADA TO WYOMING (Invited Presentation)
YONKEE, Adolph, Department of Earth and Environmental Sciences, Weber State University, 1415 Edvalson St - DEPT 2507, Ogden, UT 84408-2507, BALGORD, Elizabeth, Earth & Environmental Sciences, Weber State University, 1415 Edvalson St, Ogden, UT 84408-2507, WELLS, Michael L., Department of Geoscience, University of Nevada Las Vegas, 4505 S. Maryland Pkwy, Las Vegas, NV 89154-4010, STOCKLI, Daniel, Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, Austin, TX 78712 and GENTRY, Amanda, Geology Program, Westminster College, 1840 South 1300 East, Salt Lake City, UT 84105
66-2
8:25 AM
COUPLING BETWEEN MAGMATISM, RETRO-ARC CONTRACTION, FORELAND BASIN ARCHITECTURE AND PLATE CONVERGENCE: EVIDENCE FROM DETRITAL ZIRCON GEO-THERMOCHRONOLOGY IN THE CORDILLERAN RETROARC BASIN
PUJOLS, Edgardo, Earth and Space Sciences, Lamar University, 4400 MLK Blvd., PO Box 10009, Beaumont, TX 77710 and STOCKLI, Daniel, Department of Geological Sciences, University of Texas at Austin, Jackson School of Geosciences, Austin, TX 78712
66-3
8:40 AM
PUNCTUATED OROGENIC ACTIVITY: EVIDENCE FOR A 100 MA EPISODE OF SEVIER DEFORMATION IN SOUTHWEST UTAH
QUICK, James1, HOGAN, John1, WIZEVICH, Michael2 and COLEMAN, Drew S.3, (1)Department of Geosciences and Geological and Petroleum Engineering, Missouri University of Science and Technology, 1400 N Bishop Ave, Rolla, MO 65409, (2)Central Connecticut State UniversityGeological Sciences, PO Box 4010, New Britain, CT 06050-4010, (3)Dept. of Geological Sciences, University of North Carolina, Chapel Hill, NC 27599-3315
66-4
8:55 AM
THE 100 MA EVENT IN THE SOUTHERN SEVIER BELT OF NEVADA AND CALIFORNIA
WELLS, Michael1, RAFFERTY, Kevin1 and YONKEE, Adolph2, (1)Department of Geoscience, University of Nevada Las Vegas, 4505 S. Maryland Pkwy, Las Vegas, NV 89154-4010, (2)Department of Earth and Environmental Sciences, Weber State University, 1415 Edvalson St - DEPT 2507, Ogden, UT 84408-2507
66-5
9:10 AM
TYING SEDIMENTATION IN THE WESTERN INTERIOR BASIN TO THE MID-CRETACEOUS PENINSULAR RANGES OROGENY USING STARVED OUTER-SLOPE TRENCH DEPOSITS AND POST-COLLISIONAL MOLASSE (Invited Presentation)
HILDEBRAND, Robert, 1401 N. Camino de Juan, Tucson, AZ 85745, BHATTACHARYA, Janok P., School of Geography and Earth Sciences, McMaster University, 1280 Main St. West, Hamilton, ON L8S 4L8, Canada and WHALEN, Joseph B., Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada
Recorded Presentation
66-6
9:30 AM
DOES UNDERTHRUSTING CRUST FEED THE 100 MA MAGMATIC FLARE-UPS IN THE SIERRA NEVADA? (Invited Presentation)
CAO, Wenrong, University of Nevada RenoDepartment of Geological Sciences, 1664 N. Virginia Street, MS 0172, Reno, NV 89557-0001 and YANG, Jiaming, Department of Geological Sciences and Engineering, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557-0172
Recorded Presentation
 
9:50 AM
Break
66-7
10:05 AM
MID-CRETACEOUS DEFORMATION IN THE MAGMATIC ARC OF NORTHWESTERN NEVADA
TREVINO, Sarah, Department of Geoscience, University of Wisconsin - Madison, Madison, WI 53706 and TIKOFF, Basil, Geoscience, University of Wisconsin–Madison, 1215 W Dayton St, Madison, WI 53706-1600
66-8
10:20 AM
Withdrawn
66-9
10:35 AM
UNDERTHRUSTING, UPPER-CRUSTAL COOLING, AND PROGRADE METAMORPHISM IN THE NORTHERN PANAMINT RANGE, CA: NEW INSIGHTS INTO THE EVOLUTION OF THE SOUTHERNMOST SEVIER FOLD-THRUST BELT
TURNER, Elijah1, WELLS, Michael L.1 and STOCKLI, Daniel2, (1)Department of Geoscience, University of Nevada Las Vegas, 4505 S. Maryland Pkwy, Las Vegas, NV 89154-4010, (2)Department of Geological Sciences, The University of Texas at Austin, 23 San Jacinto Blvd & E 23rd St, Austin, TX 78712
66-10
10:50 AM
DATING FARALLON SHALLOW-ANGLE SUBDUCTION: CONSTRAINING THE AGE USING U-PB ZIRCON GEOCHRONOLOGY OF THE SCHIST OF SIERRA DE SALINAS
KIRK, Jillian1, FORD, Kendall A.B.1, SEYMOUR, Nikki M.2 and CHAPMAN, Alan1, (1)Geology Department, Macalester College, St. Paul, MN 55105, (2)Department of Earth and Planetary Sciences, University of California, Santa Cruz, Santa Cruz, CA 95064; Stanford University, Stanford, CA 94305
66-11
11:05 AM
~100 MA WRANGELLIA COMPOSITE TERRANE COLLISIONAL TIMING FROM STRUCTURALLY RESTORING SUBDUCTED SLABS AND MANTLE CONVECTION FORWARD MODELING
FUSTON, Spencer1, COLLI, Lorenzo2 and WU, Jonny1, (1)Department of Earth and Atmospheric Sciences, University of Houston, 3507 Cullen Blvd, Rm. 233, Houston, TX 77204-5008, (2)Department of Earth and Atmospheric Sciences, University of Houston, 3507 Cullen Blvd, Houston, TX 77204-5008
66-12
11:20 AM
THE COAST MOUNTAINS BATHOLITH AT 100-MA: RECORD OF THE TRANSITION FROM SINISTRAL-OBLIQUE TO STRONGLY CONVERGENT TWO-PLATE MARGIN
WANG, Jordan, Department of Geosciences, University of Arizona, 1040 E 4th St, Tucson, AZ 85721, GEHRELS, G.E., Department of Geosciences, University of Arizona, Tucson, AZ 85721 and KAPP, Paul A., Department of Geosciences, University of Arizona, 1040 E 4th St, Tucson, AZ 85719
66-13
11:35 AM
THE 100 MA OBLIQUE COLLISION OF THE INSULAR TERRANE ALONG WESTERN NORTH AMERICA
TIKOFF, Basil1, HOUSEN, Bernard2, MAXSON, Julie3, NELSON, Ellen4 and TREVINO, Sarah F.1, (1)Geoscience, University of Wisconsin–Madison, 1215 W Dayton St, Madison, WI 53706-1600, (2)Geology Department, Western Washington University, 516 High St, Bellingham, WA 98225, (3)Natural Sciences, Metropolitan State Univ, Saint Paul, MN 55106-5000, (4)Geoscience, University of Wisconsin–Madison, 2571A University Ave, Madison, WI 53726
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