Java Group
| Java Group | |
|---|---|
| Stratigraphic range: Late Devonian | |
| Type | Group |
| Sub-units |
|
| Underlies | Ohio Shale |
| Overlies | West Falls Formation |
| Thickness | Up to more than 200' |
| Lithology | |
| Primary | Shale |
| Other | Siltstone, Sandstone |
| Location | |
| Region | |
| Country | United States |
| Type section | |
| Named for | Java Township, Wyoming County, New York |
| Named by | Wallace de Witt, Jr. (December 01, 1960) |
The Java Group is a Geologic group in New York and Northern Pennsylvania. It is considered geologic formation in Kentucky, Western New York, Ohio, southern and western Pennsylvania, Tennessee, Virginia, West Virginia. In Virginia it is a member of Chattanooga Shale. It dates back to the Devonian period.