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2009 Portland GSA Annual Meeting (18-21 October 2009)

Session No. 103
Monday, 19 October 2009: 9:00 AM-6:00 PM
Hall A (Oregon Convention Center)

T45. Growth and Stabilization of Continental Crust in Circum-Pacific Accretionary Orogens (Posters)

GSA Structural Geology and Tectonics Division

Authors will be present from 4 to 6 PM.

 

Paper #
Booth #
1
176
THE DEVELOPMENT OF CONTINENTAL CRUST IN AN ACCRETIONARY OROGEN: EVIDENCE FROM THE PALEOZOIC MARGIN OF AUSTRALIA
FOSTER, David A., Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611-2120, dafoster@ufl.edu, dafoster@ufl.edu
2
177
THE WESTERN CHUGACH MOUNTAINS AND NORTHERN PRINCE WILLIAM SOUND (ALASKA): LOCUS OF SUBDUCTION-RELATED EXHUMATION?
ARKLE, Jeanette C.1, ARMSTRONG, Phillip A.1 and HAEUSSLER, Peter J.2, (1)Geological Sciences, California State University, Fullerton, 800 N. State College Blvd, Fullerton, CA 92834, (2)U.S. Geological Survey, 4210 University Dr, Anchorage, AK 99508, jennyarkle@hotmail.com, jennyarkle@hotmail.com
3
178
CONSTRAINTS ON EXHUMATION OF THE WESTERN CHUGACH MOUNTAINS (ALASKA) BASED ON ZIRCON FISSION-TRACK ANALYSIS OF MODERN GLACIAL OUTWASH
SENDZIAK, Kassandra, Geological Sciences, California State University Fullerton, 800 N. State College Blvd, Fullerton, CA 92831-3599, ARMSTRONG, Phillip A., Geological Sciences, California State University, Fullerton, 800 N. State College Blvd, Fullerton, CA 92834 and HAEUSSLER, Peter J., U.S. Geological Survey, 4210 University Dr, Anchorage, AK 99508, KSendziak@csu.fullerton.edu, KSendziak@csu.fullerton.edu
4
179
DELAMERIAN ENCLAVES WITHIN THE LACHLAN OROGEN OF ZEALANDIA AND ANTARCTICA
MORTIMER, Nick, GNS Science, Private Bag 1930, Dunedin, 9054, New Zealand, PALIN, J. Michael, Dept. of Geology, University of Otago, Dunedin, 9054, New Zealand and DUNLAP, W. James, The U.S. National Science Foundation, Division of Earth Sciences, Arlington, VA 22230, n.mortimer@gns.cri.nz, n.mortimer@gns.cri.nz
5
180
ISOTOPIC CONSTRAINT ON ANDESITE AND DACITE PETROGENESIS AT THE AUCANQUILCHA VOLCANIC CLUSTER, NORTHERN CHILE: IMPLICATIONS FOR CRUSTAL GROWTH VS. CRUSTAL RECYCLING
WALKER Jr, Barry Alan, Geosciences, Oregon State University, 104 Wilkinson Hall, Corvallis, OR 97330, GRUNDER, Anita L., Geosciences, Oregon State University, 104 Wilkinson Hall, Corvallis, OR 97331 and KLEMETTI, Erik W., Geosciences, Denison University, 100 W. College St, Granville, OH 43023, walkerb@geo.oregonstate.edu, walkerb@geo.oregonstate.edu
6
181
ANALYSIS OF STRAIN PARTITIONING IN ANALOG OBLIQUE CONVERGENT WEDGES
HAQ, Saad S.B., Department of Earth and Atmospheric Sciences, Purdue University, 550 Stadium Mall Drive, West Lafayette, IN 47906, shaq@purdue.edu, shaq@purdue.edu
7
182
DEFORMATION HISTORY OF THE SOUTHERN YUKON-TANANA TERRANE FROM TWO SITES IN THE EASTERN ALASKA RANGE
ANDREW, Joseph E., Department of Geology, University of Kansas, Lawrence, KS 66045, jeandrew@ku.edu, jeandrew@ku.edu
8
183
STRUCTURAL EVIDENCE FOR JUXTAPOSITION OF TWO ARCHEAN TERRANES IN THE TETON RANGE, WESTERN WYOMING
STACY, Sarah J.1, SWAPP, Susan M.2, JOHN, Barbara E.3, FROST, B. Ronald2 and REED Jr, John C.4, (1)Geology/Geophysics, University of Wyoming, 1000 E University Avenue, Laramie, WY 82071, (2)Department of Geology and Geophysics, University of Wyoming, Dept. 3006, 1000 University Avenue, Laramie, WY 82071, (3)Geology and Geophysics, University of Wyoming, 1000 E. University Ave, Dept. 3006, Laramie, WY 82071, (4)U. S. Geol Survey, MS 980 Federal Center, Denver, CO 80225, sstacy@uwyo.edu, sstacy@uwyo.edu
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