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Geologic Unit: Halfway
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Map showing publication footprint
  • Usage in publication:
    • Halfway horizon
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Sandstone
    • Shale
    • Conglomerate
  • AAPG geologic province:
    • Uinta basin
Publication:

Kay, J.L., 1934, The Tertiary formations of the Uinta basin, Utah: Carnegie Museum Annals, v. 23, p. 357-372.


Summary:

Pg. 357-359. Halfway horizon in Duchesne River formation. Present in Uinta basin, eastern Utah. Age is Oligocene. See under Randlett horizon.

Source: US geologic names lexicon (USGS Bull. 896, p. 897, 1770).


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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