Rocky Mountain Section - 64th Annual Meeting (911 May 2012)
Session No. 14 Wednesday, 9 May 2012
3:15 PM-4:30 PM, Hotel Albuquerque: Alvarado H

T15. Exploring Stratigraphic, Geochemical, and Paleobiologic Records in Phanerozoic Marine Systems of the Rocky Mountain Region (GSA Geoinformatics Division; GSA Mineralogy, Geochemistry, Petrology and Volcanology Division; GSA Sedimentary Geology Division)

Maya Elrick, Presiding
 Paper #Start Time
14-13:15 PM CARBONATE-CARBON ISOTOPE STRATIGRAPHY AND THREE-DIMENSIONAL SUBSIDENCE HISTORY OF THE PENNSYLVANIAN ELY-BIRD SPRING BASIN, NEVADA AND UTAH: STURMER, Daniel M., Department of Geological Sciences and Engineering, University of Nevada, Reno, Mail Stop 172, Reno, NV 89557, sturmer.dan@gmail.com, TREXLER, James H. Jr, Department of Geological Sciences and Engineering, University of Nevada, Reno, MS 172, Reno, NV 89557, and POULSON, Simon R., Department of Geological Sciences and Engineering, University of Nevada, Reno, Mail Stop 172, 1664 N Virginia St, Reno, NV 89557
14-23:30 PM USING ND-ISOTOPE RATIOS IN MIDDLE PENNSYLVANIAN (DESMOINESIAN) MARINE CARBONATES AS A PROXY FOR CHANGES IN CONTINENTAL WEATHERING FLUX ON GLACIAL-INTERGLACIAL TIME SCALES: RAGONESE, Phillip, Earth and Planetary Sciences, Universityof New Mexico, 442 Carlisle Blvd. NE, Albuquerque, NM 87106, pjragonese@gmail.com, ELRICK, Maya, Earth and Planetary Sciences, University of New Mexico, MSC03 2040, 1 University of New Mexico, Albuquerque, NM 87131, ASMEROM, Yemane, Earth & Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, and POLYAK, Victor J., Earth & Planetary Sciences, Univ of New Mexico, 200 Yale Blvd., Northrop Hall, Albuquerque, NM 87131
14-33:45 PM DEPOSITIONAL ORIGIN OF ANHYDRITE WITHIN THE TRIASSIC THAYNES FORMATION, SW WYOMING: SPAETH, Lynsey J.1, FROST, Carol D.1, CAMPBELL-STONE, Erin1, and LYNDS, Ranie2, (1) Department of Geology and Geophysics, University of Wyoming, Dept. 3006, 1000 University Avenue, Laramie, WY 82071, lspaeth@uwyo.edu, (2) Wyoming State Geological Survey, PO Box 1347, Laramie, WY 82073
14-44:00 PM PANGEAN AND JURASSIC TECTONICS RECORDED IN TEXAS PERMIAN STRATIGRAPHY: STEINER, Maureen B., Geology & Geophysics, University of Wyoming, 1000 E University, dept 3006, Laramie, WY 82071, magnetic@uwyo.edu
14-54:15 PM ACTIVE TECTONISM DURING CARBONIFEROUS-PERMIAN TRANSITION, CENTRAL NEW MEXICO: NELSON, John, Illinois State Geol Survey, Champaign, IL 61820, jnelson@isgs.uiuc.edu and ELRICK, Scott D., Coal Section, Illinois State Geological Survey, 615 E. Peabody Dr, Champaign, IL 61820

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