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AGS Spring 2019 Field Trip: Geology at the Crossroads - Big Bend Ranch State Park, West Texas


  • Big Bend Ranch State Park (map)

Geology at the Crossroads - Big Bend Ranch State Park Presidio and Brewster Counties, West Texas

Leaders:  Blaine R. Hall, Patricia W. Dickerson & Brian B. Hunt

Depart from Alpine, and Return from Alpine. Limited to 30 (AGS membership given priority)

Topics will include:

  • Far western Appalachian structural belt – the Solitario
  • Laramide basement-cored Terlingua Uplift & Monocline
  • Mid-Tertiary magmatism – intrusion/dome & Bofecillos volcanism
  • Late Tertiary-Quaternary –  Rio Grande rifting & mafic magmatism
  • Quaternary drainage integration & ground water, aquifers
Earlier Event: June 4
AGS Meeting