Derby-Doerun Dolomite

Derby-Doerun Dolomite
Derby-Doerun Dolomite
Stratigraphic range: Upper Cambrian
Type	Formation
Unit of	Elvins Group
Underlies	Potosi Dolomite
Overlies	Davis Formation
Lithology
Primary	Dolomite
Location
Region	St. Francois County, Missouri
Country	United States

Last updated July 01, 2025

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]

References

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

Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database" . Retrieved 17 December 2021.

37°49′21″N90°32′19″W / 37.822551°N 90.5387361°W / 37.822551; -90.5387361

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[Thompson-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

[1]

Derby-Doerun Dolomite

See also

References