Conewango Group

The Conewango Group is a Carboniferous aged geologic group in Western and south central Pennsylvania. It consists of two formations the younger Casselman Formation and the older Glenshaw Formation.

Conewango Group
Stratigraphic range: Carboniferous ~Kasimovian-Gzhelian ~307–301 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Group
Sub-units	Casselman Formation, Glenshaw Formation
Underlies	Monongahela Group
Overlies	Allegheny Group
Lithology
Primary	Shale and Clay
Other	Coal, Limestone, Red Shale, Sandstone
Location
Region	Maryland, Ohio, Pennsylvania and West Virginia
Country	United States

References