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National Geologic Map Database

Geologic Unit: Fallon

Usage:

Fallon Formation (NV*)
Fallon Alloformation (NV)


Geologic age:

Holocene*


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

Lowlands of Carson Desert near Fallon, Churchill Co., west-central NV (Morrison, 1961).
Type locality (lower member): Fallon Naval Auxiliary Air Station reservation (as of 1950-not as subsequently enlarged), in secs. 14, 15, 22, and 23, T. 18 N., R. 29 E. Plain on which station is located is compound delta of Carson River that was built into the first and second Fallon lakes (Morrison, 1964).
Type locality (upper member): Raymond Cushman Ranch, in secs. 28, 29, and 33, T. 18 N., R. 29 E (Morrison, 1964).


AAPG geologic province:

Great Basin province*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 ([ ]).