Usage:
Lehman Formation of Pogonip Group (NV,UT)
Lehman Limestone of Pogonip Group (NV*,UT*)
Geologic age:
Middle Ordovician (Whiterockian; Arenig to Llanvirn)*
Type section, locality, area and/or origin of name:
Ibex section, in SE/4 sec. 24, T. 22 S., R. 15 W., Millard Co., UT. Named from exposures near Lehman Caves in Snake River Range, White Pine Co., NV (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 ([ ]).