The Harding Sandstone is a geologic formation in Colorado. It preserves fossils dating back to the Ordovician period.

Harding Sandstone
Stratigraphic range: Ordovician
TypeFormation
UnderliesFremont Formation
OverliesManitou Limestone
Thickness26 to 46 m (85 to 151 ft)
Lithology
PrimarySandstone
OtherSiltstone, shale
Location
RegionCentral Colorado
Country United States
Type section
Named forHarding’s quarry, Fremont County
Named byCharles D. Walcott (1892)

See also

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References

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  • Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 25 March 2022. Retrieved 17 December 2021.