Saratoga Chalk | |
---|---|
Stratigraphic range: Cretaceous | |
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] |
The Saratoga Chalk is a geologic formation in Arkansas.[1] It preserves fossils dating back to the Cretaceous period, specifically ammonites.[3]