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National Geologic Map Database

Geologic Unit: Block

Usage:

Block Limestone Member of Cherryvale Formation of Kansas City Group (IA*,MO,NE*)
Block Limestone Member of Cherryvale Shale of Kansas City Group (KS*)
Block Limestone Member of Sarpy Formation (NE)


Geologic age:

Late Pennsylvanian (Missourian)*


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

Type locality: roadcuts near center south line sec. 6, T. 18 S., R. 24 E., and center west line sec. 18, T. 19 S., R. 23 E., Miami Co., eastern KS (Condra, 1949).
Named from hamlet of Block, Miami Co., KS (Newell, 1935).


AAPG geologic province:

Forest City basin*


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 ([ ]).