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]
Paleofauna
Ammonites
- D. navarroense[4]
- H. pumilis[4]
- J. nodosus[4]
- Lewyites
- L. oronensis[4]
- P. arkansanus[4]
- Pseudokossmaticeras
- P. galicianum[4]
- Solenoceras[4]
See also
References
- 1 2 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.
- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 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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