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The Jurassic in New York, US

Jurassic in New York map

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Jurassic Fossils
Fossil photos from Jurassic in New York

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Paleontology and geology

Most New York rocks from the Early and Middle Mesozoic have not been officially subdivided into Triassic and Jurassic. During these periods, the supercontinent Pangea continued to break apart. This rifting activity along the margin of North America caused blocks of crust to drop, forming basins. Magma pushed up through fractures in the crust and poured out on the surface as basalt. In some cases the magma cooled and crystallized as igneous intrusions below the surface. New York’s Palisades Sill is a crystallized igneous intrusion of this type. The rift basins filled with sediment and, periodically, with water to form shallow lakes. The reddish-brown sedimentary rocks of one of these Triassic-Jurassic rift basins are exposed in the southeastern corner of New York along the Hudson River.

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Colleges and Universities (showing 1 of 1 listings)

Stony Brook University Vertebrate Fossil Preparation Laboratory: Information on the people and research projects at Stony Brook University; also includes general information on fossil preparation techniques.

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Museums (showing 1 of 1 listings)

Garvies Point Museum official website: Garvies Point Museum and Preserve is located on Long Island's north shore in New York State. We are a center for regional geology research. Our exhibits deal with regional (Long Island and New York State) geology, fossilization and minerology and the ehnography and archaeology of northeastern Native Americans. Our exhibit "Drifitng Lands and Ancient Seas" details the geology of New York State coordinated with plate tectonics. 

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