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Roubidoux Formation

From Wikipedia, the free encyclopedia

Roubidoux Formation
Stratigraphic range: Ordovician
Outcrop of Roubidoux sandstone in the Missouri Ozarks
TypeFormation
UnderliesJefferson City Formation in the Missouri Ozarks
OverliesGasconade Formation[1]
Thickness100 to 300 feet[2]
Lithology
PrimarySandstone
Otherdolomite, chert
Location
Coordinates36°54′N 92°34′W / 36.90°N 92.57°W / 36.90; -92.57
RegionMissouri
CountryUnited States
Type section
Named forRoubidoux Creek, Texas and Pulaski counties, Missouri[2]

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

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  • Stinchcomb-Written in the Hills, geology of the Ozarks, part 4

Transcription

Paleofauna

Monoplacophora

K. oregonensis[3]
  • Wildernessia
W. inexpectans[3]

Gastropoda

  • Lecanospira
L. perplana [4]

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. ^ a b Thompson, Thomas L., Paleozoic Succession in Missouri: Part 2 Ordocician System, Report of Investigation No. 70, 1991, Missouri Department of Natural Resources, Rolla, MO, pp. 30-37
  3. ^ a b Stinchcomb, Bruce; Angeli, Nicholas (2002). "New Cambrian and Lower Ordovician monoplacophorans form the Ozark Uplift, Missouri". Journal of Paleontology. 76 (6): 965–974.
  4. ^ Heller, Robert L.,(1954). Stratigraphy and Paleontology of the Roubidoux Formation of Missouri, Volume 35, Second Series, 1954, State of Missouri, Division of Geological Survey and Water Resources, Rolla, Missouri. Pp.37-38 & Appendix B-Plate XIII[1]
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This page was last edited on 13 February 2024, at 15:38
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