Roxy Formation of Little Butte Volcanics (CA*,OR*)
Roxy Formation of Western Cascade Group (CA)
Tertiary
Oligocene, early*
Named from Roxy Ann, a well-known knob east of Medford, Jackson Co., OR (Wells, 1956).
Cascades 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 ([ ]).