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

  1. 1 2 3 Thompson, Thomas L., 2001, Lexicon of Stratigraphic Nomenclature in Missouri, Missouri Department of Natural Resources, Division of Geology and Land Survey, Report of Investigation Number 73, p 83-4
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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