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Navesink Formation

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Navesink Formation
Stratigraphic range: Maastrichtian
TypeGeological formation
UnderliesRed Bank Formation
OverliesMount Laurel Formation
Location
Region New Jersey
Country United States
Type section
Named forNavesink, New Jersey

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.[1]

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.[2] The Navesink varies in depth from 45 feet (14 m) to 65 feet (20 m) across its range from Sandy Hook to Pennsville.[3][4]

The Navesink has the highest radon gas potential of the New Jersey geologic[5] 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

Dinosaurs
Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.
Genus Species Material Notes Images
Coelosaurus[6] C. antiquus Tibia An ornithomimid.
Diplotomodon[7] D. horrificus Tooth Indeterminate theropod.
Dryptosaurus[8] D. aquilunguis A large eutyrannosaur.
Hadrosaurus[9] H. foukii Caudal vertebrae A hadrosaurid.
"Hadrosaurus"[10] "H." minor Partial hindlimb, vertebrae, [and] ribs. Probably a basal hadrosaurid different from Hadrosaurus.[8]
Nodosauridae[8] Indeterminate Vertebra An indeterminate nodosaurid, possibly a new taxon.
Ornithomimosauria[11] Indeterminate End of metatarsal, end of tibia, pedal phalanges Ornithomimosaur part of "Laelaps" macropus.
"Teihivenator" Indeterminate Tibia fragments Informal genus of tyrannosauroid theropod. Might be a chimera of tyrannosauroid and ornithomimid remains.
Telmatornis T. priscus Possibly a charadriform.
Tyrannosauroidea[12] Indeterminate Tibia Tyrannosauroid part of "Laelaps" macropus. A small tyrannosauroid, possibly juvenile, closely related to Bistahieversor.
Tyrannosauroidea[13] Indeterminate Pedal phalanx A large tyrannosauroid possibly the same taxon as "Laelaps" macropus.

References

  1. ^ Gallagher, William B. (1997). When dinosaurs roamed New Jersey. Rutgers University Press. pp. 122. ISBN 978-0-8135-2349-1. navesink formation.
  2. ^ Hernandez, John C.; Kenneth G. Miller; Mark Feigenson (2000). "87Sr/86Sr dating of Upper Cretaceous (Campanian and Santonian) depositional sequences: Bass River and Ancora, NJ ODP Leg 174 AX". Department of Geological Sciences, Rutgers University. Retrieved 2009-04-21.
  3. ^ Bennington, J Bret (October 18, 2003). "Paleontology and Sequence Stratigraphy of the Upper Cretaceous Navesink Formation, New Jersey" (PDF). Retrieved 2009-04-21.
  4. ^ "Late Cretaceous Stratigraphic Units of the Coastal Plain". United States Geological Survey. July 22, 2003. Retrieved 2009-04-19.
  5. ^ Sugarman, Peter J. (1999). "Radon Potential of New Jersey Coastal Plain Formations" (PDF). Retrieved 2009-04-21.
  6. ^ Baird D., and Horner, J., 1979, "Cretaceous dinosaurs of North Carolina", Brimleyana 2: 1–28
  7. ^ "Table 5.1," in Weishampel, et al. (2004). Page 114.
  8. ^ a b c Brownstein, Chase D. (2018-02-08). "The biogeography and ecology of the Cretaceous non-avian dinosaurs of Appalachia". Palaeontologia Electronica. 21 (1): 1–56. doi:10.26879/801. ISSN 1094-8074.
  9. ^ "Table 20.1," in Weishampel, et al. (2004). Page 442.
  10. ^ "Table 20.1," in Weishampel, et al. (2004). Page 441.
  11. ^ Brownstein, Chase D. (2017-07-24). "Theropod specimens from the Navesink Formation and their implications for the Diversity and Biogeography of Ornithomimosaurs and Tyrannosauroids on Appalachia". doi:10.7287/peerj.preprints.3105v1. {{cite journal}}: Cite journal requires |journal= (help)CS1 maint: unflagged free DOI (link)
  12. ^ Brownstein, Chase D. (2018-05-01). "A tyrannosauroid tibia from the Navesink Formation of New Jersey and its biogeographic and evolutionary implications for North American tyrannosauroids". Cretaceous Research. 85: 309–318. doi:10.1016/j.cretres.2018.01.005. ISSN 0195-6671.
  13. ^ Brownstein, Chase (2018). "LARGE BASAL TYRANNOSAUROIDS FROM THE MAASTRICHTIAN AND TERRESTRIAL VERTEBRATE DIVERSITY IN THE SHADOW OF THE K-PG EXTINCTION". The Mosasaur. X.
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