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| 189-1 | 8:00 AM | INTRODUCTION TO BIG BEND NATIONAL PARK: WELLMAN, Bill, National Park Service, PO Box 129, Big Bend National Park, TX 79834, bill_wellman@nps.gov |
| 189-2 | 8:15 AM | OCCURRENCE OF INTERSEX AMPHIBIANS IN BIG BEND NATIONAL PARK: ARE ENVIRONMENTAL FACTORS TO BLAME?: SHARMA, Bibek1, HU, Fang2, CARR, James A.2, and PATINO, Reynaldo3, (1) Natural Resources Management, Texas Tech University, Lubbock, TX 79409, bibek13@yahoo.com, (2) Biological Sciences, Texas Tech University, Lubbock, TX 79409, (3) USGS Texas Cooperative Fish and Wildlife Research Unit, Texas Tech University, Lubbock, TX 79409-2120, reynaldo.patino@ttu.edu |
| 189-3 | 8:30 AM | EVALUATION OF MERCURY CONTAMINATION IN MINE WASTE, SEDIMENT, WATER, AND AIR AT THE MARISCAL MINE, BIG BEND NATIONAL PARK, TEXAS: GRAY, John E.1, THEODORAKOS, Peter M.2, HAGEMAN, Philip L.2, and LASORSA, Brenda K.3, (1) U.S. Geological Survey, P.O. Box 25046, MS 973, Denver, CO 80225, jgray@usgs.gov, (2) U.S. Geol Survey, PO Box 25046, Denver, CO 80225, (3) Battelle Marine Sciences Laboratory, 1529 West Sequim Bay Road, Sequim, WA 98382 |
| 189-4 | 8:45 AM | GEOLOGIC AND GEOCHEMICAL CHARACTERIZATION OF THERMAL SPRINGS ALONG THE RIO GRANDE IN BIG BEND NATIONAL PARK AND THE RIO GRANDE WILD AND SCENIC RIVER: BENNETT, Jeffery, Rio Grande Wild and Scenic River, National Park Service, BBNP-ScRM, 1 Mesquite Road, Big Bend National Park, TX 79834, jeffery_bennett@nps.gov and CUTILLO, Paula A., Water Resources Division, National Park Service, 1201 Oakridge Drive, Suite 250, Fort Collins, CO 80525 |
| 189-5 | 9:00 AM | TRACE ELEMENT AND STABLE ISOTOPE STUDIES OF BLACK BEAR HAIR, BIG BEND NATIONAL PARK AREA, TEXAS AND MEXICO: SHANKS, Wayne C. III1, STRICKER, Craig1, HELLGREN, Eric2, and GEMERY-HILL, Pamela, (1) U.S. Geol Survey, PO Box 25046, Denver, CO 80225, pshanks@usgs.gov, (2) Southern Illinois University-Carbondale, Carbondale, IL, 62901 |
| 189-6 | 9:15 AM | UPPER CRETACEOUS AND PALEOGENE STRATA SOUTH OF THE CHISOS MOUNTAINS, BIG BEND NATIONAL PARK, TEXAS: LEHMAN, Thomas M., Department of Geosciences, Texas Tech University, Lubbock, TX 79409-1053, tom.lehman@ttu.edu |
| 189-7 | 9:30 AM | INTERACTIONS OF MAGMAS WITH WATER-SATURATED HOSTS, BIG BEND NATIONAL PARK, TEXAS: BARKER, Daniel S., Department of Geological Sciences, The Jackson School of Geosciences, The University of Texas at Austin, Austin, TX 78712-0254, danbarker@mail.utexas.edu |
| 189-8 | 9:45 AM | EARLY ONSET OF RIO GRANDE RIFT MAGMATISM IN WEST TEXAS: PARKER, Don F., Department of Geology, Baylor University, Waco, TX 76798-7354, Don_Parker@baylor.edu and MCMILLAN, Nancy J., Department of Geological Sciences, New Mexico State University, Box 30001, MSC 3AB, Las Cruces, NM 88003 |
| | 10:00 AM | Break |
| 189-9 | 10:15 AM | AEROMAGNETIC MAPPING OF THE STRUCTURE OF PINE CANYON CALDERA AND CHISOS MOUNTAINS INTRUSION, BIG BEND NATIONAL PARK, TEXAS: DRENTH, Benjamin J., School of Geology and Geophysics, University of Oklahoma, 100 East Boyd, Norman, OK 73019, bdrenth@usgs.gov and FINN, Carol A., U.S. Geol Survey, Box 25046, M.S. 964, Denver Federal Center, Denver, CO 80225 |
| 189-10 | 10:30 AM | NEW EVIDENCE FOR STRATIGRAPHIC REVISION OF THE SOUTH RIM FORMATION, BIG BEND NATIONAL PARK, TEXAS: BENKER, S. Christian1, WHITE, John C.2, REN, Minghua1, MIGGINS, Daniel P.3, and ANTHONY, Elizabeth Y.1, (1) Geological Sciences, University of Texas, El Paso, 500 W. University Ave, El Paso, TX 79902, scbenker@miners.utep.edu, (2) Earth Sciences, Eastern Kentucky University, 521 Lancaster Ave, Richmond, KY 40475, (3) U. S. Geological Survey, DFC, Box 25046, MS 974, Denver, CO 80225 |
| 189-11 | 10:45 AM | EVIDENCE OF CALDERA ACTIVITY IN THE SIERRA QUEMADA, BIG BEND NATIONAL PARK, TEXAS: DUEX, Timothy W., KINSLAND, Gary L., and TUCKER, Daniel R., Geology Dept, University of Louisiana at Lafayette, Box 44530, Lafayette, LA 70504, TDuex@Louisiana.edu |
| 189-12 | 11:00 AM | NEWLY RECOGNIZED CRETACEOUS AND EOCENE BASALTIC PHREATOMAGMATIC VOLCANISM IN THE BIG BEND AREA, WEST TEXAS: HANSON, Richard1, BEFUS, Kenneth2, BREYER, John1, BUSBEY, Arthur1, LEHMAN, Thomas3, and MIGGINS, Daniel4, (1) Department of Geology, Texas Christian University, TCU Box 298830, Fort Worth, TX 76129, r.hanson@tcu.edu, (2) 5051 148th Ave, Bellevue, WA 98007, (3) Geosciences, Texas Tech Univ, 2824 23rd, Lubbock, TX 79410, (4) USGS, MS 974, Box 25046, DFC, Denver, CO 80225 |
| 189-13 | 11:15 AM | SIERRA QUEMADA—A FAILED CALDERA, BIG BEND NATIONAL PARK: SCOTT, Robert B.1, TURNER, Kenzie J.2, BUDAHN, James R.3, and MIGGINS, Daniel P.3, (1) U.S. Geol Survey, MS 980, Denver, CO 80225, rbscott@usgs.gov, (2) U.S. Geol Survey, Denver Federal Center, Denver, CO 80225, kturner@usgs.gov, (3) U.S. Geological Survey, MS 974, Denver Federal Center, Box 25046, Denver, CO 80225 |
| 189-14 | 11:30 AM | GEOLOGIC FEATURES OF A VOLCANIC VENT COMPLEX, NORTH BURRO MESA, BIG BEND NATIONAL PARK, TEXAS: MORGAN, Lisa A., U.S. Geological Survey, 973 Federal Center, Denver, CO 80225, lmorgan@usgs.gov and SHANKS, Wayne C. Pat, U.S. Geological Survey, 973 Federal Center, Denver, CO 80225 |
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