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National Geologic Map Database

Geologic Unit: Fitz Creek

Usage:

Fitz Creek Siltstone of Tuxedni Group (AK*)


Geologic age:

Jurassic, Middle*


Type section, locality, area and/or origin of name:

On Tonnie Creek, a tributary of Fitz Creek, starting 7,000 ft S. 55 deg. E. of Tonnie Peak and continuing upstream for 1,400 ft. Named from Fitz Creek, a principal stream on Iniskin Peninsula, Cook Inlet region, southeastern AK (Detterman, 1963).


AAPG geologic province:

Alaska Southwestern 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 ([ ]).