Potomac Formation

Potomac Formation

The Potomac Formation are Lower Cretaceous to Upper Cretaceous strata located in Delaware, Maryland, and New Jersey, in the eastern United States.

Flora found include large cycads. [Ward LF (1894) Recent Discoveries of Cycadean Trunks in the Potomac Formation of Maryland "Bulletin of the Torrey Botanical Club", Vol. 21, No. 7 (Jul. 20, 1894), pp. 291-299 doi:10.2307/2477918]

References


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