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National Geologic Map Database

Geologic Unit: Open Door

Usage:

Open Door Member of Gallatin Limestone (WY*)


Geologic age:

Late Cambrian (Dresbachian to Franconian)*


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

Type section: in secs. 5 and 6, T. 39 N., R. 113 W., and secs. 30 and 31, T. 40 N., R. 113 W., Teton Co., WY (Shaw and Deland, 1955).


AAPG geologic province:

Green River basin
Wind River basin*
Yellowstone 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 ([ ]).