State | New York |
---|---|
Name | Normanskill Shale |
Geologic age | Middle Ordovician |
Lithologic constituents |
Major
Sedimentary > Clastic > Mudstone > Shale
Minor
Sedimentary > Clastic > Sandstone
Sedimentary > Clastic > Mudstone
|
Comments | part of Lorraine, Trenton, and Black River Groups up to 4500 ft. (1400 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 | Albany - Columbia - Greene - Rensselaer - Saratoga - Schenectady |