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

Session No. 105
Monday, 19 October 2009: 9:00 AM-6:00 PM
Hall A (Oregon Convention Center)

T49. Neoproterozoic through Cretaceous Evolution of the North American Cordilleran Margin: Contrasting Tectonics, Paleogeography, and Paleoenvironments (Posters)

GSA Structural Geology and Tectonics Division; GSA Sedimentary Geology Division; GSA Cordilleran Section; Society for Sedimentary Geology [SEPM]

Authors will be present from 4 to 6 PM.

 

Paper #
Booth #
1
194
U-PB ZIRCON AND WHOLE-ROCK GEOCHEMISTRY OF BASEMENT SAMPLES FROM BORE HOLES AND XENOLITHS: AGE AND TECTONIC SIGNIFICANCE OF THE GREAT FALLS TECTONIC ZONE
GIFFORD, Jennifer N., FOSTER, David A. and MUELLER, Paul A., Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611-2120, giff4088@ufl.edu, giff4088@ufl.edu
2
195
TRACE FOSSILS AND SEDIMENTARY STRUCTURES FROM THE EDIACARAN-CAMBRIAN TRANSITION, WESTERN NEVADA-EASTERN CALIFORNIA
AHN, Soo Yeun and BABCOCK, Loren E., The Ohio State University, 275 Mendenhall Laboratory, 125 S. Oval Mall, Columbus, OH 43210, ahn.106@osu.edu, ahn.106@osu.edu
3
196
DETRITAL ZIRCON GEOCHRONOLOGY OF PERMIAN-TRIASSIC METASEDIMENTARY ROCKS IN THE BAKER TERRANE, BLUE MOUNTAINS PROVINCE, NE OREGON
ALEXANDER, Ryan S., Department of Geological Sciences, University of Alabama, Tuscaloosa, AL 35487 and SCHWARTZ, Joshua J., Department of Geological Sciences, University of Alabama, Box 870338, Tuscaloosa, AL 35487, ralexander41@gmail.com, ralexander41@gmail.com
4
197
A POSSIBLE LINKAGE BETWEEN SHEAR ZONES IN THE 97 MA SOLIDIER LAKE PLUTON AND LATE CRETACEOUS TRANSPRESSIONAL SUBDUCTION IN THE CONTINENTAL ARC
WENRONG, Cao, Department of Earth Sciences, University of Southern California, 3651 Trousdale Parkway, Los Angeles, CA 90089-0740 and PATERSON, Scott, Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089-0740, caowenrong31@163.com, caowenrong31@163.com
5
198
A KINEMATIC ANALYSIS OF THE ROSY FINCH SHEAR ZONE, MONO COUNTY, CALIFORNIA
FORTESCUE, Forest Questcook, Department of Geology, Sonoma State University, 1801 E. Cotati Ave, Rohnert Park, CA 94928 and MOOKERJEE, Matty, Geology Department, Sonoma State University, 1801 E. Cotati Ave, Rohnert Park, CA 94928, leucomonzogabbro@gmail.com, leucomonzogabbro@gmail.com
6
199
STRUCTURAL AND TECTONIC HISTORY OF THE MT. FORMIDABLE REGION, NORTH CASCADES, WASHINGTON
LABADIE, Julia E. and SCHERMER, Elizabeth R., Geology, Western Washington University, MS 9080, 516 High St, Bellingham, WA 98225, julialabadie@gmail.com, julialabadie@gmail.com
7
200
THE ACCRETIONARY PROCESSES OF THE PERMIAN AND TRIASSIC SEAMOUNTS, IN THE DEADMAN BAY TERRANE, THE SAN JUAN ISLANDS, WASHINGTON STATE, USA
YAMAGATA, Takeshi, Natural Sciences Division, Komazawa University, 1-23-1 Komazawa, Setagayaku, Tokyo, 154-8525, Japan, tyama@komazawa-u.ac.jp, tyama@komazawa-u.ac.jp
8
201
NEW INTERPRETATIONS OF SEVIER THRUST BELT STRUCTURES, SOUTHERN BEAVERHEAD MOUNTAINS, IDAHO
CLAYTON, Robert, Geology, Brigham Young University - Idaho, 144 Romney, Rexburg, ID 83460-0510 and LITTLE, William W., Department of Geology, Brigham Young University - Idaho, 146 Romney, Rexburg, ID 83460, clayton@byui.edu, clayton@byui.edu
9
202
DEPOSITIONAL AND PALEOGEOGRAPHIC SETTING OF PHOSPHORITES AND METALLIFEROUS BLACK SHALES IN THE CARBONIFEROUS-PERMIAN LISBURNE GROUP, NORTHERN ALASKA
DUMOULIN, Julie A., US Geological Survey, 4210 University Dr, Anchorage, AK 99508, SLACK, John F., US Geological Survey, MS 954 National Ctr, 12201 Sunrise Valley Dr, Reston, VA 20192, WHALEN, Michael T., Department of Geology and Geophysics, University of Alaska Fairbanks, P.O. Box 755780, Fairbanks, AK 99775 and JOHNSON, C.A., USGS, Box 25046, MS 963, Denver, CO 80225, dumoulin@usgs.gov, dumoulin@usgs.gov
10
203
STRATIGRAPHY AND STRUCTURAL GEOLOGY OF THE ROBERTS MOUNTAINS ALLOCHTHON, CARLIN/BATTLE MOUNTAINS EUREKA TRENDS, NEVADA, USA, CLARIFIED THROUGH BIOSTRATIGRAPHY
CELLURA, Brian R., Senior Geologist, Miranda Gold, 310 Silver St, Elko, NV 89801, NOBLE, Paula, Geological Science, University of Nevada, 1664 N. Virginia St./172, Reno, NV 89557, CAPPS, Richard C., Consulting Geologist, 771 Rocky Branch Lane, Evans, GA 30809 and HALL, Tim, Dept. of Transportation Washington, Olympia, WA 98501, briancellura@frontiernet.net, briancellura@frontiernet.net
11
204
STRATIGRAPHY AND ANTLER AGE DEFORMATION OF THE ROBERTS MOUNTAINS ALLOCHTHON AND THRUST ZONE AND THE RELATIONSHIP TO CARLIN-TYPE GOLD DEPOSITS IN THE INDEPENDENCE MOUNTAINS OF NORTHERN NEVADA
HOLM-DENOMA, Christopher S., U. S. Geological Survey, Box 25046, MS 973, Denver, CO 80225-0046, HOFSTRA, Albert H., U.S. Geological Survey, Box 25046, MS 963, Denver, CO 80225, NOBLE, Paula J., Department of Geological Sciences & Engineering, University of Nevada, MS 172, Reno, NV 89557 and LESLIE, Stephen A., Department of Geology and Environmental Sciences, James Madison University, MSC 6903, Harrisonburg, VA 22807, cholm-denoma@usgs.gov, cholm-denoma@usgs.gov
12
205
Withdrawn
13
206
REGIONAL PATTERN OF CORDILLERAN MIOGEOCLINE LOW-GRADE METAMORPHISM FROM ILLITE TO MUSCOVITE TRANSITION
VERDEL, Charles, Dept. of Geological Sciences, University of Michigan, Ann Arbor, MI 48109-1005, VAN DER PLUIJM, Ben, Dept. of Geological Sciences, University of Michigan, Ann Arbor, MI 48109 and NIEMI, Nathan, Earth and Environmental Sciences, University of Michigan, Ann Arbor, MI 48109, cverdel@umich.edu, cverdel@umich.edu
14
207
THERMOCHRONOMETRIC CONSTRAINTS ON THE EXTENT AND LONGEVITY OF A GEOTHERMAL SYSTEM IN AN EXTENSIONAL TECTONIC SETTING, WASSUK RANGE, NEVADA
GORYNSKI, Kyle E., STOCKLI, Daniel F. and WALKER, Douglas, Department of Geology, University of Kansas, Lawrence, KS 66045, keg@ku.edu, keg@ku.edu
15
208
EVOLUTION OF THE NORTHWESTERN MARGIN OF THE BASIN AND RANGE: INSIGHTS FROM NEW GEOLOGIC MAPPING IN NORTHEASTERN CALIFORNIA
EGGER, Anne E., Geological and Environmental Sciences, Stanford University, 450 Serra Mall, Building 320, Stanford, CA 94305-2115 and COLGAN, Joseph P., U.S. Geological Survey, Menlo Park, CA 94025, annegger@stanford.edu, annegger@stanford.edu
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