The Raritan Formation is a Cretaceous (Turonian) sedimentary geologic formation of the Atlantic Coastal Plain.

Overview

The formation is described in the USGS publication Tolchester folio, Maryland (1917) as follows:

Fossils

Dinosaur remains are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus. A tyrannosauroid similar to Appalachiosaurus is known from the formation. Many plant fossils have been recovered from the Raritan. The formation hosts the New Jersey Amber deposits.