Usage:
Nanook Limestone (AK*)
Geologic age:
Precambrian
Proterozoic, Late*
or
Cambrian, Early*
through
Ordovician, Late*
Type section, locality, area and/or origin of name:
Type section (composite): along south-flowing tributary to Nanook Creek, on south flank of Shublik Mountains, in secs. 14 and 23, T. 2 N., R. 25 E., and sec. 17, T. 2 N., R. 26 E., Mount Michelson quadrangle, northern AK (Dutro, 1970).
AAPG geologic province:
Alaska Northern 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 ([ ]).