GEOLEX database Geologic Unit: Banbury Usage: Banbury Basalt of Idaho Group (ID*) Banbury Formation of Idaho Group (ID*) Age: Tertiary* Miocene* Geologic Province: Snake River basin* Great Basin province* Areal Extent: ID(sc)* NV(ne)* Type Locality: Exposures near Banbury Hot Springs, in sec. 33, T. 8 S., R. 14 E., Twin Falls Co., ID. Named from Banbury Hot Springs (Stearns, 1936, Table 1). Unit Name History: Named (Stearns, 1936, Table 1). Overview (Stearns and others, 1938). Overview; Revised to 2nd formation from base (of 7) of Idaho Group (Malde and Powers, 1962). Redescribed; Areal limits (Axelrod, 1964; Coats, 1964). Isotopic dating (Armstrong and others, 1975). Restricted from Great Basin province, rocks reassigned to Big Island Formation (Coats, 1985). Not used (Foord and others, 1987; Jenks and Bonnichsen, 1990). Note: If you need more information, please contact Nancy Stamm (nstamm@usgs.gov). Asterisks (*) indicate usage by the U.S. Geological Survey. Other usages by state geological surveys. "No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses (). Slashes (/) indicate unit name usage violates the 1983 North American Stratigraphic Code. This violation may be explained within brackets ([ ]). U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA URL http://ngmdb.usgs.gov/ngmdb/ngm_catalog.ora.html Database project personnel Last modified: 15-Jan-2013