| State | Delaware |
|---|---|
| Name | Redbank Formation |
| Geologic age | Cretaceous |
| Lithologic constituents | Major
Unconsolidated > Coarse-detrital > Sandslightly glauconitic, micaceous sand
|
| Comments | Upper Cretaceous, Monmouth Group, 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 |