Northeast Shale and Shumla Siltstone

Northeast Shale and Shumla Siltstone.
State New York
Name Northeast Shale and Shumla Siltstone
Geologic age Upper Devonian
Lithologic constituents
Sedimentary > Clastic > Mudstone > Shale
Sedimentary > Clastic > Siltstone
Comments part of Canadaway Group 700-1200 ft. (210-370 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 Cattaraugus - Chautauqua