Usage:
Hillard Limestone (AK*)
Geologic age:
Cambrian and Early Ordovician
Type section, locality, area and/or origin of name:
Type section (composite): cliffs 1.6 mi west of Hillard Peak (NE/4 sec. 3, T. 1 N., R. 33 E.), cliff about 1.3 mi north-northeast of peak, and section about 0.5 mi east-northeast of peak, east-central AK (Brabb, 1967).
AAPG geologic province:
Alaska East-Central 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 ([ ]).