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Cordilleran Section - 111th Annual Meeting (11–13 May 2015)

Session No. 18
Wednesday, 13 May 2015: 8:00 AM-12:00 PM
Room 116 (Fine Arts Building)

T16. Terrane Accretion and Translation in the Cordillera

 

John I. Garver, Jeff Benowitz and Karri R. Sicard, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:05 AM
PALEOZOIC MAKE-UP OF WRANGELLIA AND ITS RELATIONSHIPS WITH THE ALEXANDER TERRANE: IMPLICATIONS FOR NORTHERN CORDILLERAN TECTONIC EVOLUTION
ISRAEL, Steve A., Yukon Geological Survey, 2099 2nd Ave, Whitehorse, YT Y1A 2C6, Canada, RUKS, Tyler W., Earth and Ocean Sciences, University of British Columbia, 6339 Stores Road, Vancouver, BC V6T 1Z4, Canada, BERANEK, Luke P., Department of Earth Sciences, Memorial University of Newfoundland, 300 Prince Philip Drive, St. John's, NF A1B 3X5, Canada, FRIEDMAN, Richard M., Pacific Centre for Isotopic and Geochemical Research, Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, Vancouver, BC V6T 1Z4, Canada and CROWLEY, James L., Department of Geosciences, Boise State University, Boise, ID 83725, steve.israel@gov.yk.ca, steve.israel@gov.yk.ca
2
8:25 AM
NEWLY RECOGNIZED STRIKE-SLIP FAULTS, SHEAR ZONES AND ASSOCIATED METALLIFEROUS DEPOSITS IN THE TALKEETNA MOUNTAINS, ALASKA
SICARD, Karri R.1, TWELKER, Evan1, WYPYCH, Alicja1, REIOUX, David A.1, FREEMAN, Lawrence K.1, NEWBERRY, Rainer2 and LANDE, Lauren L.2, (1)State of Alaska, Division of Geological & Geophysical Surveys, 3354 College Rd, Fairbanks, AK 99709, (2)Geology and Geophysics, University of Alaska Fairbanks, P.O. Box 755780, Fairbanks, AK 99775, karri.sicard@alaska.gov, karri.sicard@alaska.gov
3
8:45 AM
NEW AGES AND TECTONIC HISTORY FOR THE TRINITY TERRANE, A POLYGENETIC OPHIOLITIC COMPLEX, KLAMATH MOUNTAINS, CALIFORNIA
LINDSLEY-GRIFFIN, Nancy1, GRIFFIN, John R.1, HAUGEN, Emily A.2 and SHIMABUKURO, David H.2, (1)Griffin Resources, 1315 Westmont Drive, Jacksonville, OR 97530-9766, (2)Department of Geology, California State University, Sacramento, CA 95819, 4tusker@gmail.com, 4tusker@gmail.com
4
9:05 AM
STRIKE SLIP IN THE SOUTHERN COAST MOUNTAINS - CASCADES OROGEN: THE ROSS LAKE FAULT SYSTEM AND IMPLICATIONS FOR “BAJA BC”
MILLER, Robert B., Department of Geology, San José State University, One Washington Square, San Jose, CA 95192, EDDY, Michael, Earth, Atmospheric and Planetary Sciences Department, Massachusetts Institute of Technology, Cambridge, MA 02139, GORDON, Stacia M., Department of Geological Sciences, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557, UMHOEFER, Paul J., School of Earth Sciences & Environmental Sustainability, Northern Arizona University, 625 Knoles Drive, Box 4099, Flagstaff, AZ 86011 and SAUER, Kirsten, Department of Geological Sciences and Engineering, University of Nevada, Reno, 1664 N. Virginia Street, Reno, NV 89557, robert.b.miller@sjsu.edu, robert.b.miller@sjsu.edu
5
9:25 AM
PRECISE TEMPORAL CONSTRAINTS ON EOCENE STRIKE-SLIP FAULTING IN WASHINGTON AND ITS RELATIONSHIP TO TRIPLE-JUNCTION MIGRATION AND TERRANE TRANSPORT
EDDY, Michael P.1, BOWRING, Samuel A.1, UMHOEFER, Paul J.2 and MILLER, Robert B.3, (1)Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, (2)School of Earth Sciences & Environmental Sustainability, Northern Arizona University, 625 Knoles Drive, Box 4099, Flagstaff, AZ 86011, (3)Department of Geology, San José State University, One Washington Square, San Jose, CA 95192, mpeddy@mit.edu, mpeddy@mit.edu
 
9:45 AM
Break
6
10:00 AM
TRANSLATION AND DISPLACEMENT OF THE CHUGACH-PRINCE WILLIAM ACCRETIONARY COMPLEX, ALASKA
GARVER, John I., Geology Department, Union College, 807 Union ST, Schenectady, NY 12308 and DAVIDSON, Cameron, Department of Geology, Carleton College, 1 N College St, Northfield, MN 55057, garverj@union.edu, garverj@union.edu
7
10:20 AM
40AR/39AR DATING OF DETRITAL MICAS FROM PALEO AND MODERN BASIN DEPOSITS, INTERIOR ALASKA: PROVENANCE, PALEODRAINGE HISTORY, AND CONSTRAINTS ON NEOGENE OROGENESIS IN THE ALASKA RANGE
DAVIS, Kailyn N., Geophysical Institute and Geochronology Laboratory, University of Alaska Fairbanks, Fairbanks, AK 99775, BENOWITZ, Jeff, Geophysical Institute, University of Alaska Fairbanks, Fairbanks, AK 99775 and ROESKE, Sarah M., Department of Earth and Planetary Sciences, University of California, Davis, Davis, CA 95616, kndavis@alaska.edu, kndavis@alaska.edu
8
10:40 AM
LACUSTRINE ORIGIN OF KARHEEN FM. PLATY LIMESTONE LINKS ALASKA’S ALEXANDER TERRANE TO THE CALEDONIDES AND OLD RED SANDSTONE CONTINENT IN THE LATE SILURIAN-EARLY DEVONIAN
SOJA, Constance M., Geology, Colgate Univ, 13 Oak Drive, Hamilton, NY 13346 and WHITE, Brian, Department of Geosciences, Smith College, Northampton, MA 01063, csoja@colgate.edu, csoja@colgate.edu
9
11:00 AM
A FAULT ROCK RECORD OF LATE EOCENE STRAIN PARTITIONING ALONG THE DENALI FAULT ZONE IN SOUTHWESTERN YUKON
CAINE, Jonathan Saul, U.S. Geological Survey, Box 25046, DFC, MS 964, Denver, CO 80225-0046, ISRAEL, Steve A., Yukon Geological Survey, 2099 2nd Ave, Whitehorse, YT Y1A 2C6, Canada, MURPHY, Donald C., Yukon Geological Survey, Box 2703 (K14), Whitehorse, YT Y1A 2C6, Canada and BENOWITZ, Jeff, Geophysical Institute, University of Alaska Fairbanks, Fairbanks, AK 99775, jscaine@usgs.gov, jscaine@usgs.gov
10
11:20 AM
OROGEN-SCALE TRANSFORM FAULTS, OROCLINES AND MIS-ORIENTED THRUST BELTS, NORTHWESTERN NORTH AMERICAN CORDILLERA: THE PACIFIC-ARCTIC-ATLANTIC CONNECTION
MURPHY, Donald C., Yukon Geological Survey, Box 2703 (K14), Whitehorse, YT Y1A 2C6, Canada, don.murphy@gov.yk.ca, don.murphy@gov.yk.ca
11
11:40 AM
RECONCILIATION OF CONFLICTING HYPOTHESES FOR THE PLATE TECTONIC DEVELOPMENT OF THE NORTHERN CORDILLERA DURING THE EARLY CENOZOIC
UMHOEFER, Paul J., School of Earth Sciences & Environmental Sustainability, Northern Arizona University, 625 Knoles Drive, Box 4099, Flagstaff, AZ 86011, paul.umhoefer@nau.edu, paul.umhoefer@nau.edu
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