Author: Jordan, R.R.
Citable URI: http://udspace.udel.edu/handle/19716/3158
Publisher: Newark, DE: Delaware Geological Survey, University of Delaware
Date Issued: 1983-06
Abstract: Rocks of Cretaceous age deposited in continental and marginal environments, and now found along the inner edge of the northern Atlantic Coastal Plain, have historically been classified as the Potomac Group and the Potomac, Patuxent, Arundel, Patapsco, Raritan, and Magothy formations. Subdivisions of the Raritan and Magothy formations have also been recognized. Lithologic characteristics and spatial relationships of the units indicate that only the Potomac Formation and the Magothy Formation can be differentiated in northern Delaware. The complex nonmarine deposits originated on an aggrading coastal plain. Their projections into the deeper subsurface on- and offshore will be important in future studies. No changes in terminology are recommended, but careful use of stratigraphic nomenclature is urged in order to avoid confusion, especially in hydrologic applications.
URI: http://udspace.udel.edu/handle/19716/3158
Series/Report no.: Report of Investigations
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