Sandy Hook Formation information

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
Underlies	Navesink Formation
Overlies	Mount Laurel Formation
Area	100 miles (160 km) then an additional 100 fathoms (180 m) into the Atlantic Ocean
Lithology
Primary	Sand, quartz, massive, dark-gray, fossiliferous, feldspar, muscovite, chlorite, and biotite are minor sand constituents
Location
Coordinates	40°23′58″N 73°58′36″W / 40.399429°N 73.976639°W
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′N 74°00′W / 40.4°N 74.0°W
Approximate paleocoordinates	40°36′N 49°30′W / 40.6°N 49.5°W
Region	New Jersey
Country	United States
Thickness at type section	up to 40 feet (10 m)

The Sandy Hook Formation is a geologic formation in New Jersey. It preserves fossils dating back to the Cretaceous period.

^ "Sandy Hook Bay, New Jersey Coastal Storm Risk Management Feasibility Study" (PDF). March 2015. pp. 17–18. Retrieved 6 September 2016.

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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
Underlies	Navesink Formation
Overlies	Mount Laurel 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″N 73°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′N 74°00′W / 40.4°N 74.0°W / 40.4; -74.0
Approximate paleocoordinates	40°36′N 49°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)