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).
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STGS Walnut Creek Field Trip
February 8th, 2025
TDLR Carpool from Petroleum Club at 6:30am
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Meet us at the Bureau of (more...)
STGS February Luncheon
February 12th, 2025
Located at San Antonio Petroleum Club
8620 N. New Braunfels, 7th Floor
11:30am (more...)
STGS Wichita Paleoplain Field Trip
March 22nd, 2025
Save the date for a field trip to the heart of the Texas hill country to view (more...)