Usage:
Crystal Creek Member of Carmel Formation of San Rafael Group (AZ,UT)
Geologic age:
Jurassic, Middle
Type section, locality, area and/or origin of name:
Type section: along divide between Deep Creek and Crystal Creek, near Cedar City, in T. 39 S., R. 10 W., either in Washington[?] Co. or in Iron[?] Co., UT. Named from Crystal Creek (Thompson and Stokes, 1970).
[Discrepancy in GNU records (USGS DDS-6) concerning whether type section occurs in Washington or Iron Co. --unresolved.]
AAPG geologic province:
Plateau sedimentary province
Great Basin province
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 ([ ]).