Distribution:
Distribution Comments:
Lockatong Argillite is associated with the Lockatong Formation, Newark
Group of New Jersey, Pennsylvania, and New York. Occurs as beds in
Staton Island, New York, Hunterdon, along the Delaware River northwest
of Lumberville and Raven Rock to Point Pleasant in Bucks County,
Pennsylvania, in Mercer, Middlesex, and Somerset counties, New Jersey
and into eastern Pennsylvania. Named for exposures along Lockatong
Creek, Hunterdon County, New Jersey.