Usage:
Red Shirt Gabbro (WA)
Geologic age:
Cretaceous
Type section, locality, area and/or origin of name:
Outcrops west of the portal of the Red Shirt Mine, on east side of the Methow Valley, in T. 33 N., R. 23 E., Okanogan Co., WA (Menzer, 1983).
AAPG geologic province:
Northern Cascade Range-Okanagan province
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 ([ ]).