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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.
Rat Rock, also known as Umpire Rock, is an outcrop of Manhattan schist which protrudes from the bedrock in Central Park, Manhattan, New York City. It is named after the rats that used to swarm there at night. [1] It is located near the southwest corner of the park, south of the Heckscher Ballfields near the alignments of 62nd Street and Seventh ...
It has a dual-humped appearance and is mostly a lump of Manhattan schist bedrock. There is a small channel that cuts into the bedrock on the southern side of the tiny island that was used for launching small boats. This channel is filled with mussel shells. There is a purple-bluish "beach" made of mussel shells mixed with bird bones on the west ...
Mineral qualifiers are important when naming a schist. For example, a quartz-feldspar-biotite schist is a schist of uncertain protolith that contains biotite mica, feldspar, and quartz in order of apparent decreasing abundance. [14] Lineated schist has a strong linear fabric in a rock which otherwise has well-developed schistosity. [10]
Rat Rock is an outcrop of Manhattan schist between 600 and 604 West 114th Street in the Morningside Heights neighborhood of Manhattan, New York City.The boulder measures approximately 30 feet (9.1 m) high and 100 feet (30 m) long; it is notable as one of the only remaining such rocks remaining in Manhattan's street grid. [1]
The igneous and metamorphic crystalline basement rock of New York formed in the Precambrian and are coterminous with the Canadian Shield.The Adirondack Mountains, Thousand Islands, Hudson Highlands, and Fordham gneiss, along with outcrops in the Berkshires just over the state line in Massachusetts, are part of the Grenville Province, a large piece of continental crust which accreted to the ...
Morningside Park's distinctive cliff of Manhattan schist. The Cathedral of St. John the Divine is atop the cliff, and the park's pond is at left. Morningside Park straddles the more-than-100-foot (30 m) cliff between the high terrain of Morningside Heights to the west and the lowlands of Harlem to the east.
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]