Roubidoux Formation

Roubidoux Formation
Stratigraphic range: Ordovician

Outcrop of Roubidoux sandstone in the Missouri Ozarks
Type Formation
Underlies Jefferson City Formation in the Missouri Ozarks
Overlies Gasconade Formation[1]
Thickness 100 to 300 feet[2]
Lithology
Primary Sandstone
Other Dolostone, chert
Location
Region Missouri, Virginia
Country United States
Type section
Named for Roubidoux Creek, Texas and Pulaski counties, Missouri[2]

The Roubidoux Formation is a geologic formation in the Ozarks of Missouri and in Virginia. It preserves fossils dating back to the Ordovician period.

See also

References

  1. ↑ 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 244-245
  2. 1 2 Thompson, Thomas L., Paleozoic Succession in Missouri: Part 2 Ordocician System, Report of Investigation No. 70, 1991, Missouri Department og Natural Resources, Rolla, MO, pp. 30-37
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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