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.)
Gunter Sandstone Member (AR*-subsurface).
Early Ordovician (Ibexian; Tremadocian; Skullrockian)*
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.
Ozark uplift
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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).