Derby-Doerun Dolomite
| Derby-Doerun Dolomite Stratigraphic range: Upper Cambrian | |
|---|---|
| Type | Formation |
| Unit of | Elvins Group |
| Underlies | Potosi Dolomite |
| Overlies | Davis Formation[1] |
| Lithology | |
| Primary | Dolomite |
| Location | |
| Region | St. Francois County, Missouri |
| Country | United States |
The Derby-Doerun Dolomite is a Cambrian geologic formation exposed in southeast Missouri. Originally the Derby and Doerun were originally considered separate formations, but now considered a single unit.[1] The combined name is from the Derby Mine and the Doe Run Lead Company of the Old Lead Belt.[1]
See also
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 8 July 2014.
| Preceded by Proterozoic Eon | Phanerozoic Eon | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Paleozoic Era | Mesozoic Era | Cenozoic Era | ||||||||||
| Cambrian | Ordovician | Silurian | Devonian | Carboniferous | Permian | Triassic | Jurassic | Cretaceous | Paleogene | Neogene | 4ry | |
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