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| | 8:00 AM | Introductory Remarks |
| 2-1 | 8:05 AM | BASEMENT STRUCTURES AND RIO GRANDE RIFT MAGMATISM IN WEST TEXAS: PARKER, Don F., Department of Geology, Baylor University, Waco, TX 76798-7354, Don_Parker@baylor.edu, MCMILLAN, Nancy J., Geological Sciences, New Mexico State University, Box 30001, MSC 3AB, Las Cruces, NM 88003, and WHITE, John C., Department of Geography & Geology, Eastern Kentucky Univ, Richmond, KY 40475 |
| 2-2 | 8:20 AM | THE CHIHUAHUA SEGMENT OF THE TRANS-PECOS VOLCANIC PROVINCE: MCDOWELL, Fred W., Geological Sciences, Jackson School of Geosciences, The Univ of Texas at Austin, Austin, TX 78712, mcdowell@mail.utexas.edu and MCINTOSH, William C., New Mexico Bureau of Geology and Mineral Resources, Socorro, NM 87801 |
| 2-3 | 8:35 AM | NONEXPLOSIVE AND EXPLOSIVE MAGMA/WET-SEDIMENT INTERACTION IN THE SHALLOW SUBSURFACE DURING EOCENE MAGMATISM IN THE TRANS-PECOS IGNEOUS PROVINCE, TEXAS: BEFUS, Kenneth S.1, HANSON, Richard E.2, MIGGINS, Daniel P.3, BREYER, John A.2, and BUSBEY, Arthur B.2, (1) Bear Creek School, 8905 208th Ave NE, Redmond, WA 98053, kenny.befus@gmail.com, (2) Department of Geology, Texas Christian University, Fort Worth, TX 76129, (3) U.S. Geological Survey, MS 974, Denver Federal Center, Box 25046, Denver, CO 80225 |
| | 8:50 AM | Discussion |
| 2-4 | 9:00 AM | UNRAVELING THE EMPLACEMENT HISTORY OF MAFIC TO FELSIC INTRUSIONS IN BIG BEND NATIONAL PARK, TEXAS USING HIGH-PRECISION 40Ar/39Ar AND U-PB ZIRCON GEOCHRONOLOGY: MIGGINS, Daniel P.1, REN, Minghua2, ANTHONY, Elizabeth3, IRIONDO, Alexander4, IZAGUIRRE, Aldo4, WOODEN, Joseph5, BUDAHN, James6, and YEOMAN, Ross6, (1) U.S. Geological Survey, DFC, Box 25046 MS 974, Denver, CO 80225, dmiggins@usgs.gov, (2) Dept. of Geological Sciences, Univ of Texas at El Paso, El Paso, TX 79968, (3) Dept. of Geological Sciences, University of Texas at El Paso, 500 W. University Ave, El Paso, TX 79968, (4) Centro de Geociencias, Universidad Nacional Autónoma de México, Querétaro, 76230, Mexico, (5) USGS-Stanford Ion Microprobe Facility, Green Building, Rm 89, 367 Panama Street, Stanford, CA 94305-2220, (6) U.S. Geological Survey, DFC, Box 25046 MS 974, Denver, CO 80225 |
| 2-5 | 9:15 AM | TWO CATEGORIES OF A-TYPE RHYOLITE: EXAMPLES FROM THE SNAKE RIVER PLAIN AND TRANS-PECOS TEXAS: GILES, A.N., SEES, Washington State University, Pullman, WA 99164, tngiles@wsu.edu and WOLFF, J.A., Geology, Washington State Univ, PO Box 642812, Pullman, WA 99163 |
| 2-6 | 9:30 AM | MINERALOGIC ASSESSMENT OF THE SOUTH RIM FORMATION: ADDITIONAL IMPLICATIONS FOR PETROGENETIC DIVERSITY: BENKER, S. Christian, Geological Sciences, University of Texas, El Paso, 500 W. University Ave, El Paso, TX 79902, scbenker@miners.utep.edu, WHITE, John Charles, Geography & Geology, Eastern Kentucky University, 521 Lancaster Ave, Roark 103, Richmond, KY 40475, REN, Minghua, Dept. of Geological Sciences, Univ of Texas at El Paso, El Paso, TX 79968, and ANTHONY, Elizabeth Y., Department of Geological Sciences, University of Texas at El Paso, El Paso, TX 79968 |
| | 9:45 AM | Discussion |
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