Conneaut Group, undivided

In west: Ellicott and Dexterville Formations-shale, siltstone. In east: Germania Formation-shale, sandstone; Whitesville Formation-shale, sandstone; Hinsdale Sandstone; Wellsville Formation-shale, sandstone; Cuba Sandstone.
State New York
Name Conneaut Group, undivided
Geologic age Upper Devonian
Lithologic constituents
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Clastic > SandstoneGermania Formation, Whitesville Formation, Hinsdale Sandstone, Wellsville Formation, Cuba Sandstone
Sedimentary > Clastic > SiltstoneEllicott and Dexterville Formations
Comments 250-600 ft. (75-200 m).

Fisher, D.W., Isachsen, Y.W., and Rickard, L.V., 1970, Geologic Map of New York State, consisting of 5 sheets: Niagara, Finger Lakes, Hudson-Mohawk, Adirondack, and Lower Hudson, New York State Museum and Science Service, Map and Chart Series No. 15, scale 1:250,000.

NGMDB product
Counties Allegany - Cattaraugus - Chautauqua - Steuben