Schoharie Formation
Geologic formation in the United States
From Wikipedia, the free encyclopedia
The Schoharie Formation is a Devonian formation found in outcrop in New York, New Jersey, Pennsylvania, and Virginia. Also known as the "Schoharie Grit" in central New York, due to the "gritty" consistency of the formation.[1]
TypeFormation
Sub-units
- Gumaer Island Mbr
- Aquetuck Mbr
- Saugerties Mbr
- Carlisle Center Mbr
UnderliesOnondaga Limestone
| Schoharie Formation | |
|---|---|
| Stratigraphic range: Devonian | |
| Type | Formation |
| Sub-units |
|
| Underlies | Onondaga Limestone |
| Lithology | |
| Primary | Siltstone, sandstone |
| Other | Limestone |
| Location | |
| Region | New York, Pennsylvania, Virginia |
| Country | United States |
| Type section | |
| Named for | Schoharie, NY |
Description
The Schoharie is made up of finer grained siliciclastics and calcareous material, with the formation becoming less calcareous towards the top.[2]