Smackover Formation
Smackover Formation Stratigraphic range: Oxfordian | |
---|---|
![]() Wells reporting Smackover Formation tops are indicated by a black point, and extend from Texas to Florida. Formation top depths measured in 6,764 wells range from 1,394 to 23,554 feet. | |
Type | Formation |
Underlies | |
Overlies | |
Location | |
Region | Arkansas |
Country | United States |
The Smackover Formation is a geologic formation in Arkansas. It preserves fossils dating back to the Jurassic period.
The Smackover Formation consists of oolitic limestones and silty limestones.[1][2]
Mineral resources[]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/5/59/Louann_Salt_stratigraphic_column_for_Texas.png/330px-Louann_Salt_stratigraphic_column_for_Texas.png)
Smackover Formation stratigraphic column for Texas
The Smackover Formation has been a prolific source of petroleum. The 1922 discovery of the Smackover oil field, after which the Smackover Formation is named, resulted in a sizeable oil boom in southern Arkansas.
In addition to being a petroleum reservoir, as of 2015, the brine from the Smackover Formation is the only source of commercial bromine in the United States.[3]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/7/70/Smackover_and_Bossier_Formations_geologic_cross_section.png/400px-Smackover_and_Bossier_Formations_geologic_cross_section.png)
Smackover and Bossier Formations geologic cross section
See also[]
- List of fossiliferous stratigraphic units in Arkansas
- Paleontology in Arkansas
- Smackover, Arkansas
- Bromine production in the United States
References[]
- ^ Dickinson, Kendell (1968). Upper Jurassic Stratigraphy of Some Adjacent Parts of Texas, Louisiana, and Arkansas. USGS. p. E9.
- ^ Chimene, Calvin (1976). Braunstein, Jules (ed.). Upper Smackover Reservoirs, Walker Creek Field Area, Lafayette and Columbia Counties, Arkansas, in North American Oil and Gas Fields. Tulsa: The American Association of Petroleum Geologists. pp. 177–204. ISBN 0891813004.
- ^ Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
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Categories:
- Jurassic Arkansas
- Oxfordian Stage
- Southern United States geologic formation stubs
- Arkansas geography stubs
- Jurassic stubs