Uranium geology and mines, South Texas

Journal Article · Tue Jun 01 04:00:00 EDT 1971 · Tex., Univ., Bur. Econ. Geol., Guideb.; (United States)

OSTI ID:5140859

Eargle, D H; Weeks, A M.D.; Hinds, G W

Until recently, the Pleistocene has been considered 2 formations: the Lissie Formation (older) and the Beaumont Clay. Terrace deposits formerly considered Lissie are now included in the Bentley and Montgomery formations. From Goliad to the mines of Karnes County, the route of the trip traverses the truncated or beveled edge of each outcropping Tertiary formation from Pliocene to upper Eocene, and traverses several trend of oil production from different zones of the subsurface. Uranium ore was discovered in Texas, late in 1954, in an environment previously considered unfavorable - the more humid Coastal Plain of S. Texas. Exploration proved the existence there of commercial uranium deposits along a 300-mile strip of upper Eocene to Pliocene rocks. Host rocks of the S. Texas region are chiefly sands and sandstones that contain volcanic ash and are of relatively high permeability. The sands are interbedded with bentonitic clays and tuffaceous silts that locally are almost pure volcanic ash. (36 refs.)

• Research Organization: Geological Survey; Photogravity Co. Inc.
• OSTI ID: 5140859
• Journal Information: Tex., Univ., Bur. Econ. Geol., Guideb.; (United States), Journal Name: Tex., Univ., Bur. Econ. Geol., Guideb.; (United States) Vol. 12; ISSN TEGGA
• Country of Publication: United States
• Language: English

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VOLCANIC ROCKS