South-Central Section - 39th Annual Meeting (April 12, 2005)
Session No. 5 Friday, April 1, 2005
1:40 PM-4:30 PM, Trinity University: Stieren Theater

T2. Faulting and Related Deformation in the Balcones Fault System and Influence on the Edwards and Trinity Aquifers

David A. Ferrill and Alan P. Morris, Presiding
 Paper #Start Time
 1:40 PM Introductory Remarks
5-11:50 PM HORST BLOCKS AND REGIONAL ANTITHETIC FAULTS WITHIN THE BALCONES FAULT ZONE, SOUTH-CENTRAL TEXAS: EWING, Thomas E., Frontera Exploration Consultants, 13011 Hunters Ledge, San Antonio, TX 78230-2025, tewing@satx.rr.com.
5-22:10 PM APPROACHES TO QUANTIFYING FAULT-CONTROLLED PERMEABILITY AND FLOW CHARACTERISTICS OF THE EDWARDS AND TRINITY AQUIFERS: SMART, Kevin J., FERRILL, David A., and GREEN, Ronald T., Center for Nuclear Waste Regulatory Analyses, Southwest Rsch Institute, 6220 Culebra Road, San Antonio, TX 78238-5166, ksmart@swri.org
5-32:30 PM STRUCTURAL INFLUENCE ON GROUNDWATER FLOW AS EVIDENCED BY GROUNDWATER DYE TRACING IN THE BARTON SPRINGS SEGMENT OF THE EDWARDS AQUIFER, CENTRAL TEXAS: IMPLICATIONS FOR MODELING CONDUITS: HUNT, Brian B.1, SMITH, Brian A.1, BEERY, Joseph1, HAUWERT, Nico M.2, and JOHNS, David A.2, (1) Barton Springs/Edwards Aquifer Conservation District, 1124 Regal Row, Austin, TX 78748, brianh@bseacd.org, (2) Watershed Protection, City of Austin, 206 East 9th Street, Suite 16.100, Austin, TX 78767
 2:50 PM Break
5-43:30 PM THE CASE FOR CATION EXCHANGE IN THE EDWARDS-TRINITY (PLATEAU) AQUIFER SYSTEM: NANCE, H.S., John A. and Katherine G. Jackson School of Geosciences, The Univ of Texas at Austin, 1 University Station, Austin, TX 78712, seay.nance@beg.utexas.edu and SHARP, John M. Jr, Department of Geological Sciences, The Univ of Texas, Jackson School of Geosciences, Austin, TX 78712-0254
5-53:50 PM DIFFERENTIAL UPLIFT IN THE BALCONES FAULT ZONE AS A DRIVER OF GENETIC DIVERSITY AMONG RARE AND ENDANGERED KARST DWELLING SPIDERS: WHITE, Kemble IV, SWCA, Inc. Environmental Consultants, 4407 Monterey Oaks Blvd, Building 1, Suite 110, Austin, TX 78749, kwhite@swca.com.
 4:10 PM Discussion

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