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National Geologic Map Database

Geologic Unit: Sherman

Usage:

/Sherman Granite of Berthoud Plutonic Suite (CO*)
/Sherman Granite (WY*)

[Preoccupied. Name previously applied to †Sherman Diorite of Hague and others (1904) in WY.]


Geologic age:

Mesoproterozoic*


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

Not designated. Exposed in large batholith extending from northern Front Range, CO, well into WY. Mapped over large area at and around Sherman, Albany Co., WY (Blackwelder, 1908).


AAPG geologic province:

Southern Rocky Mountain region*


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 ([ ]).