U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

Geologic Unit: Masket

Usage:

Masket Shale (NV)


Subunits:

Bastille Limestone Member (NV).


Geologic age:

Silurian to Early Devonian


Type section, locality, area and/or origin of name:

Type section: northwest of Masket Peak above March Spring, [Toquima Range, Nye Co., NV] (Kay and Crawford, 1964).


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 ([ ]).