Cordilleran Section (104th Annual) and Rocky Mountain Section (60th Annual) Joint Meeting (19–21 March 2008)
Session No. 15 Thursday, 20 March 2008
8:00 AM-11:40 AM, University of Nevada-Las Vegas: Student Union 213

T12. Proterozoic Tectonics of the Southwestern U.S.: Origin and History of the Lithosphere: From Continental Assembly, to Breakup, to Influence of Old Structures on Younger Tectonic Events.

Karl E. Karlstrom and Ernest Duebendorfer, Presiding
 Paper #Start Time
 8:00 AM Introductory Remarks
15-18:20 AM NEW THERMOBAROMETRIC DATA FROM THE NORTHERN PARK RANGE, COLORADO: IMPLICATIONS FOR PALEOPROTEROZOIC TECTONIC EVOLUTION: SIGLER, Joshua T., SWAPP, Susan, JONES, Daniel S., and SNOKE, Arthur W., Dept. of Geology and Geophysics, Univ. of Wyoming, Dept. 3006, 1000 E. University Ave, Laramie, WY 82071, jsigler@uwyo.edu
15-28:40 AM ASSEMBLY AND RECYCLING OF COMPONENTS TO FORM THE MOJAVE CRUSTAL PROVINCE: WOODEN, J.L.1, BARTH, Andrew P.2, MAZDAB, F.K.3, COLEMAN, Drew S.4, and MILLER, David M.3, (1) U.S Geological Survey, Menlo Park, CA 94025, jwooden@usgs.gov, (2) Earth Science, Indiana University-Purdue University Indianapolis, Indianapolis, IN 46202, ibsz100@iupui.edu, (3) U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, (4) Department of Geological Sciences, University of North Carolina, CB# 3315, Chapel Hill, NC 27599
15-39:00 AM EVIDENCE FOR PALEOPROTEROZOIC HIGH-PRESSURE METAMORPHISM AND DECOMPRESSION MELTING IN THE MOJAVE-YAVAPAI SUTURE ZONE, BEAVER DAM MOUNTAINS, UTAH: FITZGERALD, Nina E. and COLBERG, Mark R., Department of Geosciences, Southern Utah University, 351 W. University Blvd, Cedar City, UT 84720, ninaeileen@bresnan.net
15-49:20 AM PROTEROZOIC METAMORPHISM OF THE VALLECITO CONGLOMERATE, NEEDLE MOUNTAINS, SOUTHWEST COLORADO: MARSTERS, Meghan Alyse and HANNULA, Kimberly A., Geoscience Department, Fort Lewis College, Durango, CO 81301, mamarsters@fortlewis.edu
 9:40 AM Break
15-510:00 AM TECTONIC MODEL FOR PALEOPROTEROZOIC ORTHOQUARTZITE DEPOSITION IN THE SOUTHWESTERN UNITED STATES: JONES, James V. III, Geology Discipline, University of Minnesota Morris, 600 E. 4th St, Morris, MN 56267, jonesjv@morris.umn.edu, CONNELLY, James N., Dept. Geological Sciences, Univ of Texas at Austin, Austin, TX 78712, KARLSTROM, Karl E., Dept. of Earth & Planetary Sciences, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131, WILLIAMS, Michael, Department of Geosciences, University of Massachusetts, Amherst, MA 01003-9297, and DOE, Mike, Colorado School of Mines, Golden, CO 80401
15-610:20 AM NEOPROTEROZOIC RIFTING IN THE SOUTHERN GEORGINA BASIN, CENTRAL AUSTRALIA: IMPLICATIONS FOR CONNECTING AUSTRALIA AND LAURENTIA IN RODINIA: GREENE, David C., Dept. of Geosciences, Denison University, Granville, OH 43023, greened@denison.edu
15-710:40 AM DETRITAL ZIRCON LINKAGES BETWEEN SE SIBERIA AND SW NORTH AMERICA: SEARS, James W., Geosciences, University of Montana, Missoula, MT 59812, james.sears@umontana.edu, MACLEAN, John S., Geology, University of Montana, 32 Campus Drive, Missoula, MT 59812, john.maclean@umontana.edu, CHAMBERLAIN, Kevin R., Dept. of Geology and Geophysics, University of Wyoming, 1000 E. University Ave., Dept 3006, Laramie, WY 82071, KHUDOLEY, Andrei K., Geology, St Petersburg State University, University nab. 7/9, St. Petersburg, 199034, Russia, and PROKOPIEV, Andrei V., Tectonics, Diamond and Precious Metal Geology Institute, 39, Lenin Avenue, Yakutsk, 677980, Russia
 11:00 AM Concluding Remarks
 11:20 AM Discussion

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