Magothy Formation

White and buff quartz sand with beds of gray and black clayey silt.
State Delaware
Name Magothy Formation
Geologic age Cretaceous
Lithologic constituents
Major
Unconsolidated > Coarse-detrital > Sand
Unconsolidated > Fine-detrital > Silt
Comments Upper Cretaceous, may be overlain locally by the Pleistocene Columbia Formation
References

Spoljaric, Nenad and Jordan, Robert R., 1966, Generalized Geologic Map of Delaware SP4, State of Delaware, Delaware Geological Survey, scale ca. 1:300,000. Digitized by the Water Resources Division of the U.S. Geological Survey in the mid 1990's.

NGMDB product
Counties New Castle