The Hartshorne Formation is a geologic formation in Arkansas and Oklahoma. It preserves fossils dating back to the Carboniferous period.

Hartshorne Formation
Stratigraphic range: Carboniferous
TypeFormation
UnderliesMcAlester Formation
OverliesAtoka Formation
Location
RegionArkansas, Oklahoma
CountryUnited States
Type section
Named byJ.A. Taff[1]

See also

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References

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  1. ^ Taff, J.A. (1899). "Geology of the McAlester-Lehigh coal field, Indian Territory". Nineteenth Annual Report of the United States Geological Survey, Part 3, Economic Geology: 436–437.