Rocky Mountain (53rd) and South-Central (35th) Sections, GSA, Joint Annual Meeting (April 29–May 2, 2001)
Session No. 11 Tuesday, 1 May 2001
8:00 AM-12:00 PM, Sheraton Old Town Hotel: Alvarado AB

S10. Meso to Neoproterozoic of the Western US: Record of Supercontinent Assembly and Breakup, and a Snowball Earth?

Carol M. Dehler and Karl E. Karlstrom, Presiding
 Paper #Start Time
11-08:00 AM TECTONIC HISTORY OF RODINIA: CONSTRAINTS FROM STRONTIUM AND CARBON ISOTOPES AND CONTINENTAL CRUST PRODUCTION RATES: CONDIE, Kent C., Earth & Environmental Science, New Mexico Tech, Socorro, NM 87801, kcondie@nmt.edu
11-08:15 AM PROVENANCE OF THE BELT BASIN: A SNAPSHOT OF PRE-RODINIA WESTERN NORTH AMERICAN PALEOGEOGRAPHY: ROSS, Gerald M., Geol Survey of Canada, 3303 33rd Street N.W, Calgary, AB T2L 2A7, Canada, gmross@nrcan.gc.ca and VILLENEUVE, Mike, Geol Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada
11-08:30 AM CONJECTURED GEOLOGY OF THE RIFTED, WESTERN PART OF THE BELT BASIN BASIN: WINSTON, Don, Geology Department, Univ of Montana, Missoula, MT 59812, winston@selway.umt.edu
11-08:45 AM MESOPROTEROZOIC STRATA SOUTHWEST OF SALMON IDAHO: LINK, Paul Karl, Geology, Idaho State Univ, Pocatello, ID 83209, linkpaul@isu.edu and WINSTON, Don, Geology Department, Univ. of Montana, Missoula, MT 59812
11-09:00 AM ICOSAHEDRAL TESSELLATIONS OF EARLY MESOPROTEROZOIC LAURENTIA AND PHANEROZOIC HOTSPOTS: FUNDAMENTAL GENETIC LINK?: SEARS, James W., Geology Department, Univ of Montana, Missoula, MT 59812, jwsears@selway.umt.edu
 9:15 AM Poster Summaries: Seeley, Gellaty, Skotnicki
11-09:30 AM SEDIMENTARY RESPONSES TO CHANGING TECTONIC PATTERNS, MESOPROTEROZOIC APACHE GROUP/TROY QUARTZITE, CENTRAL ARIZONA: MIDDLETON, Larry T. and MONTGOMERY, Michael W., Geology, Northern Arizona Univ, Box 4099, Flagstaff, AZ 86011, larry.middleton@nau.edu
11-09:45 AM A SYNTHESIS FROM THE UNKAR GROUP OF GRAND CANYON, AND INFERENCES ON LATE MESOPROTEROZOIC INTRACRATONIC SEDIMENTATION AND DEFORMATION IN THE WESTERN U.S: TIMMONS, J. Michael, Department of Earth and Planetary Sciences, Univ of New Mexico, 141 Northrop Hall, Albuquerque, NM 87131-1116, mtimm@unm.edu, KARLSTROM, Karl E., Department of Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131, HEIZLER, Matthew T., New Mexico Bureau Mines, Campus Station, Socorro, NM 87801, and BOWRING, Samuel A., EAPS, MIT, Cambridge, MA 02139
 10:00 AM Break
11-010:15 AM LINKING MID-NEOPROTEROZOIC SUCCESSIONS IN THE WESTERN U.S.: THE CHUAR GROUP-UINTA MOUNTAIN GROUP-PAHRUMP GROUP CONNECTION (CHUMP): DEHLER, Carol M.1, PRAVE, Anthony R.2, CROSSEY, Laura J.3, KARLSTROM, Karl E.3, ATUDOREI, Viorel3, and PORTER, Susannah M.4, (1) Department of Geology, Utah State Univ, 4505 Old Main Hill, Logan, UT 84322, chuaria@cc.usu.edu, (2) Univ St Andrews, St Andrews, Fife, KY16 9AL, United Kingdom, (3) Earth & Planetary Sciences, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131, (4) Department of Organismic and Evolutionary Biology, Harvard Univ, 26 Oxford Street, Cambridge, MA 02138
 10:30 AM Poster Summaries: Ashby, Crossey, Vogel
11-010:45 AM LITHOSTRATIGRAPHIC VARIATIONS IN THE NEOPROTEROZOIC CHUAR GROUP, GRAND CANYON- INSIGHTS INTO PROVENANCE FROM GEOCHEMICAL AND PETROGRAPHIC ANALYSIS OF SHALES: BLOCH, John D.1, CROSSEY, Laura J.1, and DEHLER, Carol M.2, (1) Earth and Planetary Science, Univ of New Mexico, Albuquerque, NM 87131, jdbloch@concentric.net, (2) Utah State Univ, UT
11-011:00 AM NEOPROTEROZOIC DIAMICTITE-CAP CARBONATE SUCCESSION FROM EASTERN SONORA, MEXICO: CORSETTI, Frank A., Department of Earth Sciences, Univ of Southern California, Los Angeles, CA 90089, fcorsett@earth.usc.edu, STEWART, John H., U. S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, and HAGADORN, James W., Division of Geological & Planetary Sciences, California Institute of Technology, Pasadena, CA 91125
11-011:15 AM NEOPROTEROZOIC RODINIAN EPICONTINENTAL STRATA IN SONORA, MEXICO: STEWART, John H., U.S. Geol Survey, MS-901, 345 Middlefield Rd, Menlo Park, CA 94025, stewart@usgs.gov and AMAYA-MARTÍNEZ, Ricardo, Departamento de Geología, Universidad de Sonora, Hermosillo, Mexico
 11:30 AM Poster Summaries: Langenburg, McKenney, Bekker
 11:45 AM Discussion

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