Usage:
Moreno Grande Formation (CA)
Subunits:
Brown Mountain Sandstone Member (CA).
Geologic age:
Late Cretaceous
Type section, locality, area and/or origin of name:
Not stated. Occurs in Tesla quadrangle which comprises about 240 sq mi in parts of Alameda and San Joaquin Cos., west-central CA (Taliaferro, 1944; Huey, 1948).
AAPG geologic province:
Sacramento 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 ([ ]).