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Saratoga Formation)
| 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] |
The Saratoga Chalk is a geologic formation in Arkansas. [1] It preserves fossils dating back to the Cretaceous period, specifically ammonites. [3]
Paleofauna
Ammonites
- D. navarroense [4]
- H. pumilis [4]
- J. nodosus [4]
- L. oronensis [4]
- N. approximans [4]
- N. colubriformis [4]
- N. draconis [4]
- N. helicinum [4]
- N. hyatti [4]
- N. pauper [4]
- P. arkansanus [4]
- P. galicianum [4]
See also
References
- ^ 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.
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