South-Central Section - 42nd Annual Meeting (30 March - 1 April, 2008)

Session No. 9
Tuesday, 1 April 2008: 8:00 AM-10:40 AM

T1. Alkali Magmatism and Associated Minerals and Rocks

 

Volker W. Göbel and Don R. Owens, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
1
8:10 AM
TWO PETROLOGIC TYPES OF HIGH-GRADE IGNIMBRITE? A COMPARISON BETWEEN RHYOLITES OF THE TRANS-PECOS TEXAS AND CENTRAL SNAKE RIVER PLAIN VOLCANIC FIELDS
GILES, Antony N., School of Earth and Environmental Sciences, Washington State University, PO Box 642812, Washington State University, Pullman, WA 99164-2812, WOLFF, John A., School of Earth and Environmental Sciences, Washington State Univ, PO Box 642812, Pullman, WA 99163-2812, LARSON, Peter A., School of Earth and Environmental Science, Washington State University, PO Box 642812, Washington State University, Pullman, WA 99164-2812 and URBANCZYK, Kevin M., Department of Earth and Physical Sciences, Sul Ross State Univ, Box C-139, Alpine, TX 79832, tngiles@wsu.edu, tngiles@wsu.edu
2
8:30 AM
PALEOMAGNETISM OF MESOPROTEROZOIC ALKALINE AND CARBONATITIC COMPLEXES IN THE KAAPVAAL CRATON, SOUTH AFRICA
HANSON, Richard E., Dept. of Geology, Texas Christian University, Fort Worth, TX 76129, GOSE, Wulf A., Geological Sciences, University of Texas at Austin, Austin, TX 78712 and HARMER, R.E., P.O. Box 39474, Moreleta Park, 0044, South Africa, R.Hanson@tcu.edu, R.Hanson@tcu.edu
3
8:50 AM
CHARACTERIZATION OF THE ULTRAMAFIC DIATREMES AND DIKES OF THE AVON MAGMATIC DISTRICT, SOUTHEASTERN MISSOURI, USA
BRIDGES, David L., Geological Sciences & Engineering, Missouri University of Science & Technology, 125 McNutt Hall, 1870 Miner Circle, Rolla, 65409-0140 and HOGAN, John P., Geological Sciences and Engineering, Missouri University of Science & Technology, 127 McNutt Hall, Rolla, MO 65409-0410, dlbr3d@mst.edu, dlbr3d@mst.edu
4
9:10 AM
CRETACEOUS EXTENSIONAL FOCUSING OF FOZO AND FOZO-HIMU DERIVED MELTS IN THE BALCONES IGNEOUS PROVINCE, TEXAS
GRIFFIN, William R., Department of Geosciences, University of Texas at Dallas, P.O. Box 830688, MS FO21, Richardson, TX 75083-0688, STERN, Robert, Department of Geosciences, Univ of Texas at Dallas, P.O. Box 830688, MS FO21, Richardson, TX 75083-0688, MANTON, William I., Geosciences, University of Texas at Dallas, Box 830688, Richardson, TX 75083-0688, LEYBOURNE, Matthew I., Ocean Exploration, GNS Science, Box 30-368, Lower Hutt, New Zealand and BERGMAN, Steven C., Shell Exploration R&D, 3333 Highway 6 South, Houston, TX 77082, griffin@utdallas.edu, griffin@utdallas.edu
 
9:30 AM
Break
5
9:50 AM
ARKANSAS CRUSTAL XENOLITHS: IMPLICATIONS FOR BASEMENT ROCKS OF THE NORTHERN GULF COAST
DUNN, Dennis P., Department of Geological Sciences, University of Texas at Austin, Austin, TX 78712, dendunn@ix.netcom.com, dendunn@ix.netcom.com
6
10:10 AM
WHAT ROCK IS IT? CHARACTERIZATION OF MAGMATITES FROM THE MAGNET COVE IGNEOUS COMPLEX, HOT SPRING CO., ARKANSAS
GÖBEL, Volker W., Dept. of Geology, Stephen F. Austin State University, P.O. Box 13011 SFA, Nacogdoches, TX 75962-3011 and AUSBURN, Kevin R., Freeport-McMoRan Copper & Gold Inc, Safford, AZ 85546, vgobel@sfasu.edu, vgobel@sfasu.edu
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