From Minerals of Ohio, Carlson, Dr Ernest.
Table showing flint occurrences by Age and Formation and where ancient man quarried the stone.
Note the variation in color and physical characteristics of the flint.
| Aborginal Flint quarries in Ohio (Minerals of Ohio, Carlson E, ODNR Bulletin 69 page 15) |
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| System | Group | Formation or Bed |
Flint Unit |
Occurrence | Quarry Location |
|
| County | Township | |||||
| Pennsylvanian | Monongahela | Fishpot limestone | Fishpot flint | Nodular flint; light to dark brown, gray with lighter color streaks |
Jefferson | Smithfield |
| Jefferson | Mt Pleasant |
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| Conemaugh | Brush Creek limestone | Brush Creek flint | sheets; interbedded with shale; dark gray to black with light gray patches and streaks |
Morgan | York | |
| Perry | Bearfield | |||||
| Vinton | Madison | |||||
| Athens | ||||||
| Gallia | ||||||
| Lawrence | ||||||
| Allegheny | Vanport limestone | Vanport flint |
sheets, lenticular and nodular flint; light colored mottled grayish white or tan, some brightly colored |
Licking | Hopewell | |
| Muskingum | Hopewell | |||||
| Muskingum | Licking | |||||
| Plum Run flint | Jackson | Milton | ||||
| Vinton | Elk | |||||
| Mahoning | Smith | |||||
| Stark | Lexington | |||||
| Zaleski flint | Zaleski flint |
Sheets; nodular flint; black or dark gray to black; lacks mottling and banding |
Vinton | Elk | ||
| Vinton | Jackson | |||||
| Vinton | Madison | |||||
| Vinton | Richland | |||||
| Jackson | ||||||
| Pottsville | Upper Mercer limestone |
Upper Mercer flint |
Sheets, nodules flint; black or dark gray with light gray patches and streaks |
Coshocton | Jefferson | |
| Coshocton | Newcastle | |||||
| Hocking | Green | |||||
| Muskingum | Falls | |||||
| Muskingum | Madison | |||||
| Muskingum | Hopewell | |||||
| Muskingum | Muskingum | |||||
| Perry | Clayton | |||||
| Perry | Pike | |||||
| Boggs Limestone | Boggs flint |
Sheets; bluish black to black or dark gray with buff colored streaks |
Muskingum | Falls | ||
| Devonian | Delaware Limestone | Delaware chert | Lenticular and nodular chert; tan to dark brown and black; lacks banding |
Delaware | (western) | |
| Franklin | (western) | |||||
| Marion | (eastern) | |||||
| Siluarian | Bisher Dolomite | Bisher Flint | Interbedded flint and dolomite, nodular flint; dark gray with light gray bands |
Highland | Liberty | |
| Adams | (northern) | |||||
| Brassfield Formation |
Brassfield chert |
Lenticular and nodular chert; white, grayish white, or yellow white, with light colored streaks and patches |
Adams | (south central) | ||