U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Contra Costa lake bed
  • Modifications:
    • Original reference
  • Dominant lithology:
    • [not stated]
  • AAPG geologic province:
    • Northern Coast Range province
    • Sacramento basin
Publication:

Cooper, J.G., 1894, On some Pliocene fresh-water fossils of California: California Academy of Sciences Proceedings, 2nd series, v. 4, p. 166-172.


Summary:

Pg. 169. Contra Costa lake bed. Lies chiefly on northeast slope of hills west of San Pablo Creek, forming boundary between Contra Costa and Alameda Cos. in that part of its course about 4.5 mi northeast of State University, San Francisco Bay region, western CA. Age is Pliocene.

Source: US geologic names lexicon (USGS Bull. 896, p. 509).


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 ([ ]).

Accessibility FOIA Privacy Policies and Notices

USA Gov U.S. Department of the Interior | U.S. Geological Survey
Supported by the National Cooperative Geologic Mapping Program
Page Contact Information: Personnel
Page Last Modified: Thu 04 Apr 2024 04:20:49 PM MDT