Earth:Moorefield Formation
From HandWiki
| Moorefield Formation Stratigraphic range: Mississippian | |
|---|---|
| Type | Formation |
| Sub-units | Ruddell Shale |
| Underlies | Batesville Formation |
| Overlies | Boone Formation |
| Thickness | up to 300 feet[1] |
| Lithology | |
| Primary | Shale |
| Other | Limestone |
| Location | |
| Region | Arkansas, Oklahoma |
| Country | United States |
| Type section | |
| Named for | Moorefield, Independence County, Arkansas |
| Named by | George Irving Adams and Edward Oscar Ulrich[2] |
The Moorefield Formation, or Moorefield Shale, is a geologic formation in northern Arkansas and eastern Oklahoma that dates to the Meramecian Series of the middle Mississippian. In Arkansas, this formation is generally recognized to have one member, the Ruddell Shale, in the upper Moorefield Formation.
Paleofauna
- Batostomella
- A. alaskense[4]
- Bactrites
- E. ornatus[4]
- Girtyoceras
- G. welleri[4]
See also
- List of fossiliferous stratigraphic units in Arkansas
- Paleontology in Arkansas
References
- ↑ McFarland, John David (2004). "Stratigraphic summary of Arkansas". Arkansas Geological Commission Information Circular 36: 11. http://geology.ar.gov/pdf/IC-36_v.pdf. Retrieved 2018-06-01.
- ↑ Adams, G.; Ulrich, E. (1904). "Zinc and lead deposits of northern Arkansas". U.S. Geological Survey Professional Paper 24 (7): 26. doi:10.1086/621186. Bibcode: 1904JG.....12..663..
- ↑ 3.0 3.1 3.2 3.3 3.4 Horowitz, Alan S. (1977). "Late Mississippian and Early Pennsylvanian bryozoan faunas of Arkansas and Oklahoma: a review". Oklahoma Geological Survey Guidebook 18: 101–105. http://ogs.ou.edu/docs/guidebooks/GB18.pdf. Retrieved 3 February 2018.
- ↑ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 Gordon, Mackenzie Jr. (1964). "Carboniferous Cephalopods of Arkansas". U.S. Geological Survey Professional Paper 460: 14–16.
- ((Various Contributors to the Paleobiology Database)). "Fossilworks: Gateway to the Paleobiology Database". https://www.fossilworks.org.
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