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National Geologic Map Database
Geologic Units: Wichita
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Map showing publication footprint
  • Usage in publication:
    • Wichita conglomerate
  • Modifications:
    • First used
  • Dominant lithology:
    • Conglomerate
  • AAPG geologic province:
    • Bend arch
Publication:

Case, E.C., 1907, The character of the Wichita and Clear Fork divisions of the Permian red beds of Texas: American Museum of Natural History Bulletin, v. 23, art. 29, p. 659-664.


Summary:

First used as a unit in Permian Clear Fork division. Report area is north-central TX. Occurs west of the ford where the Seymour-Vernon road crosses the Big Wichita River, Baylor Co, TX on Bend arch. Is a bed of hard, pebbly conglomerate from 6 inches to 1 ft in thickness; varies in color from dark to light, but has through most of its extent a deep-purplish-red color, which is very characteristic. It is a very persistent bed in the region. Overlies a clay bed 20-30 ft thick; underlies a great bed of massive sandstone which reaches over 100 ft in thickness. Wichita conglomerate seems to be completely barren of fossils. Seems to be the result of river deposition, either in a wide delta or in very shallow water. Undoubtedly the material was derived from the Ouachita Mountain mass, which was uplifted at the end of the Carboniferous, and perhaps more specifically, from the Wichita Mountains which lie directly north of the region. Map showing localities of measured sections. Of Permian age.

Source: GNU records (USGS DDS-6; Denver GNULEX).


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

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