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National Geologic Map Database
Geologic Unit: Tahoka
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Map showing publication footprint
  • Usage in publication:
    • Tahoka Formation
  • Modifications:
    • Mapped 1:250k
  • Dominant lithology:
    • Clay
    • Silt
    • Sand
    • Gravel
  • AAPG geologic province:
    • Permian basin
Publication:

Barnes, V.E. (project director), 1976, Geologic atlas of Texas, Hobbs sheet: University of Texas-Austin, Bureau of Economic Geology Geologic Atlas of Texas, 1 sheet, scale 1:250,000, William Battle Phillips memorial edition


Summary:

Pamphlet [p. 3]. Tahoka Formation. Lacustrine clay, silt, sand, and gravel, locally calcareous, selenitic. Clay and silt, sandy, indistinctly bedded to massive, weakly coherent, various shades of light gray and bluish gray. Sand, fine- to coarse-grained quartz, indistinctly bedded to massive, friable, gray, grades to gravel at margins of deposits. Molluscan and vertebrate fossils. Age is Pleistocene (Wisconsinan), [based on fossils].
[Mapped in Andrews, Dawson, Gaines, and Martin Cos., TX, and Eddy and Lea Cos., NM.]

Source: Publication.


Map showing publication footprint
  • Usage in publication:
    • Tahoka Formation
  • Modifications:
    • Mapped 1:250k
  • Dominant lithology:
    • Clay
    • Silt
    • Sand
    • Gravel
  • AAPG geologic province:
    • Permian basin
Publication:

Barnes, V.E. (project director), 1993, Geologic atlas of Texas, Lubbock sheet [revision of 1967 ed.]: University of Texas-Austin, Bureau of Economic Geology Geologic Atlas of Texas, 1 sheet, scale 1:250,000, Halbert Pleasant Bybee memorial edition [Also available in GIS format: Texas Comm. Env. Quality (TCEQ), Austin, TX, 15-minute Digital GAT (Geologic Atlas of Texas) Quads, v. 3/01/2004, NW CD-ROM. GIS files, browse graphics: http://www.beg.utexas.edu/mainweb/services/15minquads.htm]


Summary:

Is Pleistocene formation mapped in southwestern part of map sheet in vicinity of Tahoka, Lynn Co, TX and adjacent southwestern Garza Co, TX (northeastern Permian basin). Map unit described as lacustrine clay, silt, sand, and gravel, coarser toward margins of deposits, locally calcareous, selenitic. Clay and silt, sandy, indistinctly bedded to massive, weakly coherent, various shades of light gray and bluish gray. Sand, fine- to coarse-grained quartz, indistinctly bedded to massive, friable, gray, grades to gravel at margins of deposits. Molluscan and vertebrate fossils. Thickness 25 ft, feathers out laterally. (Wisconsinan)

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


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

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