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] |
Paleofauna
edit- D. navarroense[4]
- H. pumilis[4]
- J. nodosus[4]
- L. oronensis[4]
- P. arkansanus[4]
- P. galicianum[4]
See also
editReferences
edit- ^ a b McFarland, John David (2004) [1998]. "Stratigraphic summary of Arkansas" (PDF). Arkansas Geological Commission Information Circular. 36: 30.
- ^ Branner, J.C. (1898). "The cement-materials of southwest Arkansas". Transactions of the American Institute of Mining Engineers. 27: 52–59.
- ^ Kennedy, W. J.; Cobban, W. A. (May 1993). "Ammonites from the Saratoga Chalk (Upper Cretaceous), Arkansas". Journal of Paleontology. 67 (3): 404–434. doi:10.1017/s002233600003688x. ISSN 0022-3360.
- ^ a b c d e f g h i j k l m n o p Kennedy, W. J.; Cobban, W. A. (1993). "Ammonites from the Saratoga Chalk (Upper Cretaceous), Arkansas". Journal of Paleontology. 67 (3): 404–434.
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.