Published as a Special Publication, this is the first generalized statewide geologic map of Delaware.
The geology of Delaware includes parts of two geologic provinces: the Appalachian Piedmont Province and the Atlantic Coastal Plain Province. The Piedmont occurs in the hilly northernmost part of the state and is composed of crystalline metamorphic and igneous rocks. This chart summarizes the age and distribution of the geologic units that are recognized in the state by the Delaware Geological Survey.
Geology and hydrology of the Middletown-Odessa Area, Delaware.
Geohydrology of the Dover Aera, Delaware
Subsurface geology of the Smyrna-Clayton area, Delaware
Geology map showing the sub-surface geology of the Middletown-Odessa Area, Delaware.