Usage:
Heise Group (ID*-recognized locally in Heise volcanic field)
Subunits:
(alphabetical) --all in ID: Blacktail Creek Tuff, Conant Creek Tuff, Kilgore Tuff, Walcott Tuff.
Geologic age:
late Tertiary (Miocene to Pliocene)*
Type section, locality, area and/or origin of name:
Type section: Heise Cliffs, in sec. 30, T. 4 N., R. 41 E., Heise 7.5-min quadrangle, southeastern ID (Embree and others, 1982, Idaho Bur. Mines Geol. Bull., no. 26, p. 330+).
Type area: Heise volcanic field.
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 ([ ]).