Rocky Mountain Section - 64th Annual Meeting (9–11 May 2012)
Session No. 27 Thursday, 10 May 2012
1:30 PM-4:30 PM, Hotel Albuquerque: Alvarado C

T13. Detrital Zircons Studies in the Western Interior U.S. and Their Implications for Ancient Landscape Evolution (GSA Geoinformatics Division; GSA Mineralogy, Geochemistry, Petrology and Volcanology Division; GSA Quaternary Geology & Geomorphology; GSA Sedimentary Geology Division; GSA Structural Geology & Tectonics Division)

Carol M. Dehler, Mark Pecha and Timothy Lawton, Presiding
 Paper #Start Time
27-11:30 PM STRATIGRAPHIC REVISION, PROVENANCE, AND NEW AGE CONSTRAINTS OF THE NANKOWEAP FORMATION AND CHUAR GROUP, GRAND CANYON SUPERGROUP, GRAND CANYON ARIZONA: DEHLER, Carol M.1, KARLSTROM, Karl E.2, GEHRELS, George E.3, TIMMONS, J. Michael4, and CROSSEY, Laura J.2, (1) Department of Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505, carol.dehler@usu.edu, (2) Earth and Planetary Science, University of New Mexico, Albuquerque, NM 87131, (3) Arizona LaserChron Center, Department of Geosciences, University of Arizona, Tucson, AZ 85721, (4) New Mexico Bureau of Geology and Mineral Resources, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801
27-21:45 PM DETRITAL ZIRCON PROVENANCE, AGE CONSTRAINTS AND REVISED STRATIGRAPHY OF THE MESOPROTEROZOIC AND NEOPROTEROZOIC PAHRUMP GROUP (SUPERGROUP?), DEATH VALLEY REGION, CALIFORNIA: MAHON, Robert C., Geosciences, Idaho State University, 921 S. 8th St., Stop 8072, Pocatello, ID 83209-8072, mahorobe@isu.edu, DEHLER, Carol M., Department of Geology, Utah State University, 4505 Old Main Hill, Logan, UT 84322-4505, KARLSTROM, Karl E., Earth and Planetary Science, University of New Mexico, Albuquerque, NM 87131, and LINK, Paul K., Department of Geosciences, Idaho State University, 921 S. 8th Ave. Stop 8072, Pocatello, ID 83209
27-32:00 PM DETRITAL ZIRCON GEOCHRONOLOGY FROM THE CAMBRIAN-ORDOVICIAN BLISS SANDSTONE, NEW MEXICO: EVIDENCE FOR CONTRASTING GRENVILLE-AGE AND CAMBRIAN SOURCES ON OPPOSITE SIDES OF THE TRANSCONTINENTAL ARCH: AMATO, Jeffrey M. and MACK, Greg H., Geological Sciences, New Mexico State University, P.O. Box 30001/MSC 3AB, Las Cruces, NM 88003, amato@nmsu.edu
27-42:15 PM RECYCLED ZIRCONS FROM ORDOVICIAN QUARTZITES DEFINE PROVENANCE FOR UPPER DEVONIAN BEIRDNEAU AND STANSBURY FORMATIONS, SOUTHERN IDAHO AND NORTHERN UTAH: LINK, Paul K., Department of Geosciences, Idaho State University, 921 S. 8th Ave. Stop 8072, Pocatello, ID 83209, linkpaul@isu.edu, TAPANILA, Leif, Department of Geosciences, Idaho State University, 921 S. 8th Ave, Pocatello, ID 83209-8072, and WALTERS, Lindsay, Department of Geology, University of Idaho, 2380 Fairview Rd, American Falls, ID 83211
27-52:30 PM CONTRASTING DETRITAL ZIRCON ASSEMBLAGES AND PROVENANCE OF UPPER JURASSIC AND LOWER CRETACEOUS STRATA, SOUTHEAST ARIZONA AND SOUTHWEST NEW MEXICO: GILBERT, John C. and LAWTON, Timothy F., Geological Sciences/MSC 3AB, New Mexico State University, P.O. Box 30001, Las Cruces, NM 88003, gilbertj@nmsu.edu
 2:45 PM Break
27-63:15 PM THE BEARTOOTH-MOJADO CONNECTION: USING MID-CRETACEOUS SEDIMENTARY ROCKS TO UNDERSTAND THE TECTONIC HISTORY OF SOUTHWEST NEW MEXICO: MACHIN, Sarah E.K., Geological Sciences, New Mexico State University, PO Box 1765, Mesilla, NM 88046, smachin@nmsu.edu, AMATO, Jeffrey M., Geological Sciences/MSC 3AB, New Mexico State University, PO Box 30001, Las Cruces, NM 88003, and LAWTON, Timothy F., Geological Sciences/MSC 3AB, New Mexico State University, P.O. Box 30001, Las Cruces, NM 88003
27-73:30 PM DETRITAL ZIRCON RECORD OF LARAMIDE SOURCE AREAS, UPPER CRETACEOUS (CAMPANIAN) RINGBONE FORMATION, LITTLE HATCHET MOUNTAINS, SW NEW MEXICO: LAWTON, Timothy F. and CLINKSCALES, Christopher A., Geological Sciences/MSC 3AB, New Mexico State University, P.O. Box 30001, Las Cruces, NM 88003, tlawton@nmsu.edu
27-83:45 PM PROVENANCE OF GREATER GREEN RIVER BASIN SEDIMENTS, WYOMING: DETRITAL MINERAL MODES COMBINED WITH RUTILE AND ZIRCON CHRONOMETRY: LIPPERT, Peter Gregory1, MÖLLER, Andreas1, and KELLY, Nigel M.2, (1) Geology, University of Kansas, 1475 Jayhawk Blvd. Rm 120, Lawrence, KS 66045, amoller@ku.edu, (2) Department of Geology & Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401
27-94:00 PM THE USE OF URANIUM-LEAD DATING OF DETRITAL ZIRCONS TO DETERMINE RIVER DIRECTIONS BEFORE THE RISE OF THE WASATCH RANGE, UTAH: COLLEDGE, Preston D., Department of Earth Science, Utah Valley University, 800 West University Parkway, Orem, UT 84058, pcolledge22@hotmail.com and EMERMAN, Steven H., Department of Earth Science, Utah Valley University, 800 W. University Parkway, Orem, UT 84058

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