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Geologic Units: Adamana
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  • Usage in publication:
    • Adamana shales
  • Modifications:
    • Original reference
  • Dominant lithology:
    • Shale
  • AAPG geologic province:
    • Black Mesa basin
Publication:

Keyes, C.R., 1922, Framework of Arizona geology: Pan-American Geologist, v. 38, no. 3, p. 231-252., See also "Deliminations of sundry Arizona terranes," Pan-Amer. Geol., v. 38, no. 4, p. 335-339, 1922


Summary:

Pg. 250, 335. Adamana shales proposed for Ward's 4th shale bed above Aubreyan limestones [Kaibab limestone] in Moenkopian section of Navajo country. Exposed in full thickness (200 feet) near RR station of Adamana, Apache County, northeastern Arizona. Age is Early Triassic.

Source: US geologic names lexicon (USGS Bull. 896, p. 12).


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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