U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Depass

Usage:

Depass Formation (WY)


Geologic age:

Middle Cambrian


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

Type section: Wind River Canyon, Fremont Co., western WY. Named from "D" Pass [now spelled Depass] at east end of Bridger Range (Miller, 1936).


AAPG geologic province:

Bighorn basin
Wind River 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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).