Davis Formation

Updated on Dec 19, 2024

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Type Formation Overlies Bonneterre Formation Regions Indiana, Missouri		Country United States Underlies Derby-Doerun Dolomite Primary Slate, Siltstone
Unit of Elvins Group (in Missouri) Thickness 170 ft. average, 225 ft. maximum Other Sandstone, dolostone, limestone conglomerate Named for Outcrops along Davis Creek, St. Francois County, Missouri

The Davis Formation is a geologic formation in Indiana and Missouri. It preserves fossils dating back to the Cambrian period.

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