- Usage in publication:
-
- [Joaquin Ridge sandstone]
- Modifications:
-
- Overview
- Dominant lithology:
-
- [Sandstone]
- AAPG geologic province:
-
- Sacramento basin
Summary:
Pg. 962 (fig. 2), 989. [Joaquin Ridge sandstone of Panoche group.] Name credited to J.Q. Anderson. Mentioned in discussion of Weldonian stage (new). Shown on chart as underlying Ragged Valley shale and overlying Alcade shale (new). Age is Late Cretaceous.
Type locality not stated. Occurs in San Joaquin Valley in Coalinga-Ortigalito area, central CA.
Source: US geologic names lexicon (USGS Bull. 1200, p. 1927).
- Usage in publication:
-
- Joaquin Ridge sandstone member
- Modifications:
-
- Revised
- AAPG geologic province:
-
- Sacramento basin
Summary:
Pg. 31. Referred to as member of Panoche in discussion of Moreno Grande formation (new) and Moreno formation.
Source: US geologic names lexicon (USGS Bull. 1200, p. 1927).
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 ([ ]).