CATALOGUE OF MINERALS. 73 



LIST OF MINERALS FOUND ON THE ISLAND OF NEW YORK IN 

 BOULDERS, AGGREGATE COMPOUND, 



Granite, many varieties. 



Gneiss, " " 



Mica Slate. 



Hornblende. 



Primitive Limestone, the same as that of Kingsbridge. 



Serpentine, with all the varieties of Hoboken. 

 Black, " " the Island. 



Sandstone, all the varieties of New Jersey. 



Trap Basalt, and Greenstone all the varieties of the Pali- 

 sades. 



Delthyris Shale, containing fossils. 



Transition Limestone, same as that of Stoney Point (without 

 fossils.) 



Limestone, apparently the same as that which now is found 

 above the Highlands ; containing fossil shells, corals, &c, &c. 



Argillaceous Slate, the same as at Newburgh, Orange County, 

 New York. 



North River Slate, the same as that of Coeymans, New York. 



Hudson River Slate, with veins of Quartz, the same as is found 

 at Poughkeepsie. 



Graywacke or Grit, the same as that from Kingston on the 

 Hudson, which is used for naggings in New York city. 



Talcose Slate, same as at Peekskill and Stoney Point. 



Basanite, (a kind of Lydian stone.) 



Anthophylite, from the Serpentine locality of 60th Street. 



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