Devine Canyon Ash-Flow Tuff (OR*)
Tertiary
Miocene, late*
Exposures in Devine Canyon about 1 km north-northeast of its confluence with Poison Creek, along Highway 395, Lat. 43 deg. 44 min. 05 sec. N., Long. 119 deg. W., Harney Co., OR (Walker, 1979).
Great Basin province*
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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 ([ ]).