Deposits of Early Cretaceous age are well known from outcrops and the subsurface of Maryland and Delaware. In New Jersey the Raritan Formation is, in outcrop, of Late Cretaceous age, the basal beds being Cenomanian. Fossil floras cored in the U. S. Geological Survey, New Brooklyn Park No. 1 testhole near Berlin, New Jersey, indicate beds of Early Cretaceous age below 1393 to 1506 ft below land surface; as the weathered crystalline basement was reached at a depth of 1930, these Lower Cretaceous deposits are about 530 ft thick. Rocks correlated with the lowest Raritan units in the New Jersey outcrop were penetrated above 1393 ft. depth.

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