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National Geologic Map Database

Geologic Unit: Moreno

Usage:

Moreno Formation (CA*)
Moreno Shale (CA*)


Subunits:

(alphabetical) --all in CA: Dos Palos Shale Member, Dosados Member or /Dosados Sandstone and Shale Member, Marca Shale Member*, Tierra Loma Shale Member.


Geologic age:

Late Cretaceous to Paleocene*


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

Typically exposed in Moreno Gulch on the east flank of the Panoche Hills, Fresno Co., CA. Moreno Gulch is 8 mi northwest of Panoche Creek (Anderson and Pack, 1915).


AAPG geologic province:

San Joaquin 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 ([ ]).