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National Geologic Map Database

Geologic Unit: Leadville

Usage:

Leadville Limestone (AZ*,CO*,NM*,UT*)
Leadville Dolomite (CO*-recognized locally in Leadville mining district)
Leadville Limestone is preferred usage of the CO Geol. Survey; type locality in CO.


Subunits:

(alphabetical) --all in CO*: Castle Butte Member, Red Cliff Member.


Geologic age:

Early and Middle Mississippian (Tournaisian and Visean; Osagean and Meramecian)*; [?]locally Late Mississippian (Chesterian)*


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

Named from occurrence in Leadville district, Lake Co., west-central CO (US geologic names lexicons, USGS Bull. 896, 1200).
Principal reference section (measured by Tweto and Lovering, 1977, USGS Prof. Paper 956, p. 23-32): at Rock Creek, 0.4 mi northwest of Gilman, in SW/4 sec. 12, T. 6 S., R. 81 W., Leadville mining district, Lake Co., west-central CO (Beaty and others, 1988).


AAPG geologic province:

Black Mesa basin*
Denver basin*
Eagle basin*
Green River basin*
Las Vegas-Raton basin*
Piceance basin*
San Juan basin*
San Juan Mountains province*
San Luis basin*
South Park basin*
Uinta basin*


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 ([ ]).