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National Geologic Map Database

Geologic Unit: Manix

Usage:

Manix Formation (CA*)
Manix Lake Beds (CA*)


Geologic age:

Quaternary
Pleistocene, late*


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

These are deposits of an extinct lake named Manix Lake. Well exposed along Mohave River 2 mi southeast of Manix, San Bernardino Co., southern CA, about 120 mi east of Los Angeles (Buwalda, 1914).
Base of lake bed clay exposed on west bank of Mojave River, in NW/4 sec. 15, T. 10 N., R. 4 E., Newberry 15-min quadrangle, San Bernardino Co., CA (Dibble and Bassett, 1966).


AAPG geologic province:

Mojave 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 ([ ]).