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Edwards Aquifer Research and Data Center
The Trinity Aquifer Lithology
These photograph examples were taken during the Trinity Aquifer Geology Field Trip. Eddie Collins of the University of Texas Economic Geology department prepared the tour for Al Brann, Marshall Jennings, Shaun Robertson, and Jack Holland
"Box work" in a tidal midflat, it is a good example of an alkaline evaporation feature.
Upper Glen Rose fossils such as gastropods found along Mt. Sharp road.