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National Geologic Map Database

Geologic Unit: Java

Usage:

Java Formation (KY*,NY*,OH*,PA*,TN*,VA*,WV*)
Java Formation of West Falls Group (NY)
Java Group (NY,PA)
Java Shale Member of Chattanooga Shale (VA)


Subunits:

(Group) Hanover Shale (NY), Pipe Creek Shale (NY), and Wiscoy Formation (NY,PA); (Formation) Pipe Creek Shale Member (KY*,NY*,OH*,PA*,TN*,VA*,WV*), Wiscoy Sandstone Member (NY*), Hanover Shale Member (NY*,PA*,OH*,WV*,KY*,MD*,VA*)


Geologic age:

Late Devonian*


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

Type section: exposures along Beaver Meadow Creek above Angel Falls, near Java Twp., Wyoming Co., NY (de Witt, 1960).


AAPG geologic province:

Appalachian 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 ([ ]).