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National Geologic Map Database

Geologic Unit: Manitou

Usage:

Manitou Formation (CO*)
Manitou Limestone (CO*)
Manitou Dolomite (CO*)
Manitou Formation of Horseshoe Mountain Group (CO)


Subunits:

(alphabetical) --all in CO: Dead Horse Canyon Member, Helena Canyon Member, Leavick Tarn Dolomite Member, Ptarmigan Chert Member, Taylor Pass Member, Tie Gulch Dolomite Member.


Geologic age:

Late Cambrian to Early Ordovician*


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

Named from Manitou Springs and Manitou Park, El Paso Co., eastern CO (Cross, 1894).
Type section (Manitou restricted): measured on east side of canyon above the Narrows of Williams Canyon, north of Manitou, in SW/4 sec. 32, T. 13 S., R. 67 W., El Paso Co., eastern CO (Brainerd and others, 1933; Gerhart, 1974).


AAPG geologic province:

Denver basin*
Eagle basin*
Piceance basin*
Las Animas arch*
South Park basin*


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 ([ ]).