Usage:
Jump Creek Rhyolite (ID,OR)
Geologic age:
Miocene
Type section, locality, area and/or origin of name:
Type area: near origins of Jump Creek, in secs. 4, 5, 8, and 9, T. 1 N., R. 5 W., and secs. 27, 28, 33, and 34, T., N., R. 5 W., Boise Meridian, Owyhee Co., ID. Widely exposed in Owyhee Reservoir district, OR, which is between fault system of Steens Mountain on west, and faults of Snake River Plain on east (Kittleman and others, 1965).
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 ([ ]).