Usage:
Thaynes Formation (ID*,MT*,NV*,UT*,WY*)
Thaynes Limestone (UT*,WY*)
Subunits:
(alphabetical) --all in ID*: Fort Hall Member, Portneuf Limestone Member, Ross Fork Limestone Member.
Geologic age:
Early Triassic*
Type section, locality, area and/or origin of name:
Not designated. Named from [Thaynes] canyon in the Park City district, Summit Co., UT. Measured section described from Big Cottonwood Canyon, in T. 2 S., R. 3 E., UT (Boutwell, 1907).
AAPG geologic province:
Wasatch uplift*
Uinta uplift*
Uinta basin*
Green River basin*
Snake River basin*
Yellowstone province*
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 ([ ]).