Boonton Formation

Boonton Formation
Stratigraphic range: Late Hettangian-Sinemurian
~197–190 Ma
Exposure of the Boonton Formation along a road cut in Pequannock Township, New Jersey.
TypeGeological formation
Unit ofNewark Supergroup
 Meriden Group
UnderliesPotomac Formation
OverliesHook Mountain Basalt
Thicknessmaximum of over 1,640 feet (500 m)[1]
Lithology
PrimarySandstone, siltstone, mudstone
OtherConglomerate, evaporite
Location
Coordinates40°54′N 74°24′W / 40.9°N 74.4°W / 40.9; -74.4
Approximate paleocoordinates22°42′N 19°48′W / 22.7°N 19.8°W / 22.7; -19.8
RegionNewark Basin of
Eastern North America Rift Basins
Extentcontinuous for ~30 miles (48 km) in New Jersey
Type section
Named forBoonton, New Jersey[1]
Named byPaul E. Olsen[1]
Year defined1980
Boonton Formation is located in the United States
Boonton Formation
Boonton Formation (the United States)
Boonton Formation is located in New Jersey
Boonton Formation
Boonton Formation (New Jersey)

The Boonton Formation is a mapped bedrock unit in New Jersey, formerly divided between the Boonton and Whitehall beds of the defunct Brunswick Formation. It is named for the town of Boonton, New Jersey, which is near where its type section was described by paleontologist Paul E. Olsen.[1]

  1. ^ a b c d Olsen, P.E., 1980. The Latest Triassic and Early Jurassic Formations of the Newark Basin (Eastern North America, Newark Supergroup): Stratigraphy, Structure, and Correlation. New Jersey Academy of Science Bulletin, v. 25, no. 2, p. 25-51.