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Geologic Unit: Cottonwood Draw
Map showing publication footprint
  • Usage in publication:
    • Cottonwood Draw sandstone
  • Modifications:
    • Named
  • Dominant lithology:
    • Sandstone
  • AAPG geologic province:
    • Paradox basin
Publication:

Blakey, R.C., 1974, Stratigraphic and depositional analysis of the Moenkopi Formation, southeastern Utah: Utah Geological and Mineral Survey Bulletin, no. 104, 81 p.


Summary:

Is an unranked unit in the Lower Triassic Black Dragon Member of Moenkopi Formation that occurs 92 ft above base of the member. Is a gray, micaceous, fine-grained sandstone. Lower part is cross-stratified; upper part is ripple-marked. Is 11 ft thick at type section of Black Dragon Member.

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


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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