Type Formation Other Dolostone, chert Primary Sandstone Regions Missouri, Virginia | Thickness 100 to 300 feet Country United States Overlies Gasconade Formation | |
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Underlies Jefferson City Formation in the Missouri Ozarks Named for Roubidoux Creek, Texas and Pulaski counties, Missouri | ||
The Roubidoux Formation is a geologic formation in the Ozarks of Missouri and in Virginia. It preserves fossils dating back to the Ordovician period.
References
Roubidoux Formation Wikipedia(Text) CC BY-SA