Usage:
Cutler Group (AZ*,CO*,NM*,UT*)
Cutler Formation (AZ*,CO*,NM*,UT*)
Subunits:
GROUP STATUS (alphabetical): Cedar Mesa Formation (AZ,UT) or Cedar Mesa Sandstone (UT), De Chelly Sandstone (AZ*,CO*,NM*,UT), Elephant Canyon Formation (UT), Halgaito Formation (AZ*,CO*,NM*,UT*), Organ Rock Formation (AZ*,CO*,NM*,UT*), White Rim Sandstone (UT).
FORMATION STATUS (alphabetical): Cedar Mesa Sandstone Member (AZ*,CO*,NM*,UT*), De Chelly Sandstone Member (AZ*,CO,NM*,UT*), Halgaito Member (AZ*,CO*,UT*) or Halgaito Tongue (AZ*,UT*), Organ Rock Member (AZ*,UT*) or Organ Rock Shale Tongue (NM) or Organ Rock Tongue (AZ*,UT*), White Rim Sandstone Member (UT*).
Geologic age:
early Permian (Wolfcampian)*
Type section, locality, area and/or origin of name:
Named from exposures on Cutler Creek, which enters Uncompahgre River about 4 mi north of Ouray, Ouray Co., southwestern CO (Cross and Howe, 1905).
AAPG geologic province:
Black Mesa basin*
Paradox basin*
Piceance basin*
San Juan basin*
San Juan Mountains province*
Uinta basin*
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 ([ ]).