Usage:
Chinitna Formation (AK*)
Subunits:
(alphabetical) --all in AK*: Paveloff Siltstone Member, Tonnie Siltstone Member.
Geologic age:
Jurassic, Middle*
Type section, locality, area and/or origin of name:
Section in bluffs along north shore of Chinitna Bay, Cook Inlet area, Iniskin-Tuxedni region, southwestern AK (Martin and Katz, 1912; Detterman and Hartsock, 1966).
AAPG geologic province:
Alaska Southwestern region*
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 ([ ]).