Gardeau Formation

Shale, siltstone; Roricks Glen Shale.
State New York
Name Gardeau Formation
Geologic age Upper Devonian
Lithologic constituents
Major
Sedimentary > Clastic > Mudstone > Shale
Minor
Sedimentary > Clastic > Siltstone
Comments part of West Falls Group 1100-1600 ft. (340-490 m).
References

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 Broome - Chemung - Schuyler - Steuben - Tioga - Tompkins