Monmouth Group, Matawan Group and Magothy Formation

Silty clay, glauconitic sandy clay, sand, gravel.
State New York
Name Monmouth Group, Matawan Group and Magothy Formation
Geologic age Upper Cretaceous
Lithologic constituents
Unconsolidated > Coarse-detrital > Gravel
Unconsolidated > Fine-detrital > Claysilty clay, glauconitic sandy clay
Unconsolidated > Coarse-detrital > Sandsandy clay, sand
Unconsolidated > Fine-detrital > Siltsilty clay
Comments part of Coastal Plain Sediments 0-2000 ft. (0-600 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 Kings - Nassau - Queens - Suffolk