Sandy Hook Formation

Sandy Hook Formation
Stratigraphic range: Maastrichtian ~66.0–72.1  Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
An Choristothyris plicata, lampshell, collected at Navesink Formation, near Poricy Brook, New York
Type	Geological formation
Unit of	Monmouth Group
Underlies	Tinton Formation
Overlies	Navesink Formation
Area	100 miles (160 km) then an additional 100 fathoms (180 m) into the Atlantic Ocean [1]
Lithology
Primary	Sand, quartz, massive, dark-gray, fossiliferous, feldspar, muscovite, chlorite, and biotite are minor sand constituents
Location
Coordinates	40°23′58″N73°58′36″W / 40.399429°N 73.976639°W / 40.399429; -73.976639
Region	Atlantic coastal plain of the Coastal Province of North America
Country	United States
Extent	Monmouth County, New Jersey
Type section
Named for	Sandy Hook, New Jersey
Location	Sandy Hook, New Jersey
Coordinates	40°24′N74°00′W / 40.4°N 74.0°W / 40.4; -74.0
Approximate paleocoordinates	40°36′N49°30′W / 40.6°N 49.5°W / 40.6; -49.5
Region	New Jersey
Country	United States
Thickness at type section	up to 40 feet (10 m)

The Sandy Hook Formation or Red Bank Formation is a geologic formation in New Jersey. It preserves fossils dating back to the Cretaceous period. ^[2]

See also

• Earth sciences portal
• New Jersey portal
• Paleontology portal

• List of fossiliferous stratigraphic units in New Jersey
• Paleontology in New Jersey

References

1. "Sandy Hook Bay, New Jersey Coastal Storm Risk Management Feasibility Study" (PDF). March 2015. pp. 17–18. Retrieved 6 September 2016.
2. "Geolex — RedBank publications". ngmdb.usgs.gov. Retrieved 2025-01-18.

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 25 March 2022. Retrieved 17 December 2021.