Saratoga Chalk
From Wikipedia, the free encyclopedia
The Saratoga Chalk is a geologic formation in Arkansas.[1] It preserves fossils dating back to the Cretaceous period, specifically ammonites.[3]
| Saratoga Chalk | |
|---|---|
| Stratigraphic range: Cretaceous | |
Fossils from the Saratoga Chalk | |
| Type | Formation |
| Underlies | Nacatoch Formation |
| Overlies | Marlbrook Formation |
| Thickness | 20 to 70 feet[1] |
| Location | |
| Region | Arkansas |
| Country | United States |
| Type section | |
| Named by | John Casper Branner[2] |
