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National Geologic Map Database

Geologic Unit: Ashland

Usage:

Ashland facies (informal) in Cedar Valley Limestone (MO)
(†Ashland Limestone abandoned as formal term by the MO Geol. Survey. Considered same as, or part of Cedar Valley Limestone. See Cedar Valley.)

Informal. The rank or lithologic term should not be capitalized.


Geologic age:

Middle Devonian


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

Type locality: in NE/4 SW/4 sec. 1, T. 46 N., R. 12 W., Boone Co., northeastern MO, about 0.3 mi north of Sycamore School, along an old abandoned roadway, 9 mi north-northwest of Jefferson City. Type locality covers only about 10 acres. Named from village of Ashland (Unklesbay, 1952).


AAPG geologic province:

Ozark uplift
Lincoln anticline


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 ([ ]).