Geologic Unit: Desert Creek

Usage:

Desert Creek Substage of Four Corners Stage (AZ,CO,NM,UT)
Desert Creek production interval (informal) (AZ,CO,NM,UT)
Desert Creek zone (informal) of Paradox Formation (AZ,CO,NM,UT)

For informal usage, the rank or lithologic term should not be capitalized.

Subunits:

informal Chimney Rock shale (CO,UT).

Geologic age:

Middle Pennsylvanian (Desmoinesian)

Type section, locality, area and/or origin of name:

Not designated. Present in subsurface. Origin of name not stated by authors, but probably named from 5,244 to 5,320 [ft] pay interval in Desert Creek field discovery well, Shell Desert Creek No. 2, in sec. 35, T. 41 S., R. 23 E., San Juan Co., UT (Herman and Barkell, 1957).
[Type section of Desert Creek Substage] (subsurface): depth-interval approx. 5,700 to 6,950 ft, Shell No. 1 Hovenweep well, in sec. 5, T. 40 S., R. 26 E., San Juan Co., UT (Baars and others, 1967).

AAPG geologic province:

Paradox basin
Black Mesa basin
San Juan basin