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National Geologic Map Database

Geologic Unit: Blue Hill

Usage:

Blue Hill Member of Carlile Shale (CO*,KS*,MN*,NE*,NM*,SD*)
Blue Hill Shale (KS)


Subunits:

FORMATION STATUS: Saline Valley Member (KS).


Geologic age:

Late Cretaceous*


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

Apparently named from Blue Hills in Mitchell, Russell, and Republic Cos., north-central KS, and probably also Blue Hill Twp., Mitchell Co. (Logan, 1897; Wilmarth, 1938).


AAPG geologic province:

Central Kansas uplift*
Denver basin*
Las Vegas-Raton basin*
Salina basin*
Sioux 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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).