From Wikipedia, the free encyclopedia
Hartshorne Formation
Stratigraphic range: Carboniferous
Type Formation
Underlies McAlester Formation
Overlies Atoka Formation
Location
Region Arkansas, Oklahoma
Country United States
Type section
Named byJ.A. Taff [1]

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

See also

References

  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.