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National Geologic Map Database

Geologic Unit: Van Buren

Usage:

Van Buren Formation (AR*-subsurface)

(†Van Buren Formation (MO), †Van Buren Formation of Arbuckle Group (OK, and KS-subsurface), or †Van Buren Member of Gasconade Dolomite (MO,OK, and KS-subsurface) not used by the MO (type locality in MO), KS, and OK Geol. Surveys. Rocks reallocated to lower part of Gasconade Dolomite. See also Gasconade.)


Subunits:

Gunter Sandstone Member (AR*-subsurface).


Geologic age:

Early Ordovician (Ibexian; Tremadocian; Skullrockian)*


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

Named from town of Van Buren, Carter Co., MO [which is built on Eminence Dolomite]. Well exposed along U.S. Highway 60 west of Van Buren.


AAPG geologic province:

Ozark uplift


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 ([ ]).