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Manhattan schist outcrop in Central Park. In the United States, the Manhattan Prong of the New England Uplands is a smaller belt of ancient rock in southern New York (including Manhattan, the Bronx, and segments of Brooklyn and Staten Island), parts of Westchester County, and upland portions of southwestern Connecticut.
Manhattan (/ m æ n ˈ h æ t ən, m ə n-/ ⓘ man-HAT-ən, mən-) is the most densely populated and geographically smallest of the five boroughs of New York City.Coextensive with New York County, Manhattan is the smallest county by area in the U.S. state of New York.
The five boroughs of New York City. New York City is located on the coast of the Northeastern United States at the mouth of the Hudson River in southeastern New York state. It is located in the New York–New Jersey Harbor Estuary, the centerpiece of which is the New York Harbor, whose deep waters and sheltered bays helped the city grow in significance as a trading city.
The Palisades are among the most dramatic geologic features in the vicinity of New York City, forming a canyon of the Hudson north of the George Washington Bridge, as well as providing a vista of the Manhattan skyline. They sit in the Newark Basin, a rift basin located mostly in New Jersey.
The geology of the State of New York is made up of ancient Precambrian crystalline basement rock, forming the Adirondack Mountains and the bedrock of much of the state. These rocks experienced numerous deformations during mountain building events and much of the region was flooded by shallow seas depositing thick sequences of sedimentary rock ...
This region is often referred to as the Manhattan Prong. Staten Island Serpentinite is a southward extension of the New England Uplands. [2] Geology
Tuckahoe marble is a high quality marble first quarried on a large commercial scale in 1822 in the village of Tuckahoe in Westchester County. The marble is from the larger Inwood Formation or deposit, which stretches northeasterly from mid-Manhattan through southern Westchester and into western Connecticut. [1]
The outcrop of the Palisades Sill is quite recognizable for its prominent cliffs above the Hudson River; it is easily seen from the western portions of Manhattan. The exposure is approximately 80 kilometers (50 mi) long, most of it following the Hudson River. It first emerges in Staten Island in New York City. [1]