Usage:
Snowshoe Formation (OR*)
Subunits:
(alphabetical) --all in OR*: Basey Member, Schoolhouse Member, Silvies Member, South Fork Member, Warm Springs Member, Weberg Member.
Geologic age:
Jurassic, Middle*
Jurassic, Early*
Type section, locality, area and/or origin of name:
Type area: on southeast limb of Mowich anticline; exposures lie in narrow belt extending from Snow Mountain northeastward across South Fork Valley, Crook Co., east-central OR. Named from the "Snowshoe country" on headwaters of Silvies River (Lupher, 1941).
AAPG geologic province:
Snake River 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 ([ ]).