Usage:
Fillmore Limestone of Pogonip Group (NV,UT*)
Fillmore Formation of Pogonip Group (UT*)
Geologic age:
Early Ordovician*
Type section, locality, area and/or origin of name:
Composite section: 0.5 mi north from sec. 1, T. 22 S., R. 14 W., NW/4 sec. 8, T. 23 S., R. 14 W., and secs. 5 and 6, T. 23 S., R. 14 W.; called Ibex sections D, G, and H. Named from town of Fillmore, Millard Co., UT (Hintze, 1951).
AAPG geologic province:
Great Basin 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 ([ ]).