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National Geologic Map Database

Geologic Unit: Carrara

Usage:

Carrara Formation (CA*,NV*)


Subunits:

(alphabetical) --all in CA*, NV*: Desert Range Limestone Member, Eagle Mountain Shale Member, Echo Shale Member, Gold Ace Limestone Member, Jangle Limestone Member, Pahrump Hills Shale Member, Pyramid Shale Member, Red Pass Limestone Member, Thimble Limestone Member.


Geologic age:

Cambrian, Early*
Cambrian, Middle*


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

Typical section measured in canyon 0.5 mi northwest of Carrara Canyon, Bare Mountain 15-min quadrangle, Nye Co., southern NV. Named from Carrara, an abandoned mining camp, 8 mi east-southeast of Beatty, on NV Highway 95. Formation well exposed in and near Carrara Canyon, 2 mi northeast of the camp. (Cornwall and Kleinhampl, 1961).


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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).