GEOLOGICAL ROAD LOGUVALDE -- EAGLE PASS – ANACACHO MOUNTAINS, SOUTHWEST TEXASPrepared for the Spring, 2016 field trip by Thomas E. Ewing, Frontera Exploration ConsultantsThe April 2016 field trip was led by Tom Fett and Tom Ewing to examine the Upper Cretaceous sandstones and related rocks exposed in the Eagle Pass area. The trip originated in Castroville and traveled west, stopping at Black Waterhole to view a Cretaceous tuff ring and lava lake (as described in the 2004 guidebook).

Beyond the Bad-Water Line: A Model for the Occurrence of Brackish Water in Upper Coastal Plain Aquifers in Texas

Alan Dutton
Amy Shelton and V.H. McNutt Distinguished Professor in Geology
The University of Texas at San Antonio

ABSTRACT

STGS Membership Directory Issue

THE DEPOSITIONAL ENVIRONMENT AND THE DIAGENETIC PROCESSES OF THE BUDA LIMESTONE (CENOMANIAN) IN SOUTH- CENTRAL TEXAS

Oya Ak, M.S.

The University of Texas at San Antonio, 2015

Helium Genesis & Accumulation

By Richard E. Rieman, P.E.

Genesis: