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National Geologic Map Database

Geologic Unit: Windermere

Usage:

Windermere Group (ID*,WA*)
Windermere Supergroup (ID?,MT?,WA?)


Subunits:

GROUP STATUS (alphabetical) --all in ID*,WA*: Huckleberry Formation, Leola Volcanics, Monk Formation, Shedroof Conglomerate.


Geologic age:

Neoproterozoic*


Type section, locality, area and/or origin of name: (See Canadian Lexicon)

Not designated. Origin of name not stated by author, but probably named from Windermere mining district, British Columbia, Canada (Walker, 1926).


AAPG geologic province:

Northern Rocky Mountain region*
Northern Cascade Range-Okanagan province*
Idaho Mountains 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 ([ ]).