The Navesink Formation is a 66 to 70 mya greensand glauconitic marl and sand geological formation in New Jersey. It is known for its Cretaceous period fossil shell beds and dinosaur bones.
Description The Navesink Formation, named after Navesink, New Jersey, is typically found above the Mount Laurel Formation and under the Red Bank Formation. There is a 5 mya gap between the Navesink and Mount Laurel Formations. The Navesink varies in depth from to across its range from Sandy Hook to Pennsville.
The Navesink has the highest radon gas potential of the New Jersey geologic formations.
Sites There are several locations where the Navesink Formation is visible including Poricy Park in Middletown, New Jersey which has several exposures along Poricy Brook. There is also exposure in Big Brook Park in Marlboro, NJ.
Paleofauna +DinosaursGenusSpeciesMaterialNotesImagesCoelosaurusBaird D., and Horner, J., 1979, "Cretaceous dinosaurs of North Carolina", Brimleyana 2: 1–28C. antiquusTibiaAn ornithomimid.Diplotomodon"Table 5.1," in Weishampel, et al. (2004). Page 114. D. horrificus Tooth Indeterminate theropod.DryptosaurusD. aquilunguisA large eutyrannosaur.Hadrosaurus"Table 20.1," in Weishampel, et al. (2004). Page 442.H. foukiiCaudal vertebraeA hadrosaurid."Hadrosaurus""Table 20.1," in Weishampel, et al. (2004). Page 441."H." minorPartial hindlimb, vertebrae, [and] ribs.Probably a basal hadrosaurid different from Hadrosaurus.NodosauridaeIndeterminateVertebraAn indeterminate nodosaurid, possibly a new taxon.OrnithomimosauriaIndeterminateEnd of metatarsal, end of tibia, pedal phalangesOrnithomimosaur part of "Laelaps" macropus."Teihivenator" Indeterminate Tibia fragments Informal genus of tyrannosauroid theropod. Might be a chimera of tyrannosauroid and ornithomimid remains.TelmatornisT. priscusPossibly a charadriform.TyrannosauroideaIndeterminateTibiaTyrannosauroid part of "Laelaps" macropus. A small tyrannosauroid, possibly juvenile, closely related to Bistahieversor.TyrannosauroideaIndeterminatePedal phalanxA large tyrannosauroid possibly the same taxon as "Laelaps" macropus.
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