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Map showing publication footprint
  • Usage in publication:
    • Trickham bed
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Clay
    • Sand
    • Limestone
    • Sandstone
    • Conglomerate
  • AAPG geologic province:
    • Bend arch
Publication:

Drake, N.F., 1893, Report on the Colorado coal field of Texas, IN Fourth annual report of the Geological Survey of Texas, 1892: Geological Survey of Texas Annual Report, v. 4, p. 357-444. [Available online from the University of Texas-Austin library: http://www.lib.utexas.edu/books/dumble/]


Summary:

Pg. 387, 402. Trickham bed, base of Cisco division. Sandy clay, chiefly bluish, with some sandstone, limestone, and conglomerate. Thickness 100 to 160 feet. Basal member of Cisco division [Cisco is 2nd from top of 5 Carboniferous divisions of Cummins, 1891]. Underlies BELLEROPHON bed and overlies CAMPOPHYLLUM bed, of Canyon division. Fossiliferous. Age is Pennsylvanian.
[Named from Trickham, Coleman Co., Colorado River region, central TX.]

Source: US geologic names lexicon (USGS Bull. 896, p. 2183).


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

Asterisk (*) indicates published by U.S. Geological Survey authors.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).

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