Usage:
Stillwater Formation (AK*)
Geologic age:
Tertiary
Eocene, middle*
Type section, locality, area and/or origin of name:
Occupies entire valley of Stillwater Creek and extends for some distance up valleys of Trout and Clear Creeks, Controller Bay region, southern AK. Origin of name not stated by author, but probably named from Stillwater Creek (Martin, 1908).
AAPG geologic province:
Alaska Southern region*
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 ([ ]).