The Navesink Formation is a 66 to 70
mya
Mya may refer to:
Brands and product names
* Mya (program), an intelligent personal assistant created by Motorola
* Mya (TV channel), an Italian Television channel
* Midwest Young Artists, a comprehensive youth music program
Codes
* Burmese ...
greensand
glauconitic marl
Marl is an earthy material rich in carbonate minerals, clays, and silt. When hardened into rock, this becomes marlstone. It is formed in marine or freshwater environments, often through the activities of algae.
Marl makes up the lower part o ...
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
Poricy Park is a nature preserve and park in Middletown Township, New Jersey, Middletown Township, Monmouth County, New Jersey. It is known for its Cretaceous period fossil shell beds along the Poricy Brook streambed, open to the public for limi ...
in
Middletown, New Jersey which has several exposures along Poricy Brook. There is also exposure in Big Brook Park in Marlboro, NJ.
Paleofauna
*
References
{{Reflist
Cretaceous geology of New Jersey
Maastrichtian Stage of North America