10 



NEW-YORK STATE COLLECTION. 



II. METAMORPHIC ROCKS OF THE MOHAWK 



GEOUt. 



Names. 



1 Quartz rock. 



2 g-ranular quartz. 



3 Compact quartz rock. 



4 Granular quartz. 



5 Ferruginous quartz. 



StiCOND TABLE CA^. > 

 Localities. 



Stanford, DutchesiS. 

 Amenia, Dutchess. 

 Poughquaick, Dutchess. 

 Near Peekskill, Westchestel', 

 Williamstown, Massachusetts.* 

 6 & 7 Granular limestone. Dover plains, Westchester. 



8 Granular limestone. Williamstown, Massachusetts, 



9 & 10 Granular LiMESTONE.HiUsdale, Columbia. 

 11 - 13 Granular LiMEsToSE.Amenia, Dutctess. 



14 Granular limestone (clouded). Northeast, Dutchess. 



15 Granular limestone (grey). Cortland, Westchester, 



16 Granular limestone (variegated). Peekskill, Westchester, 



17 Granular limestone (blue)/ Peekskill, Westchester. 



18 Granular limestone (striped). Near Peekskilly Westchester. 



19 Granular limestone (compact). Stormville, Dutchess; 



20 Talcs' limestone. Stormville, Dutchess. 



21 Talco-slaty limestone. Stormville, Dutchess. 



Tinionvale,- Dutchess. 

 Ancram lead mine, Columbia. 

 Unionvale, Dutchess. 

 Bloomingrove, Orange.- 

 Warwick, Orange. 

 Hoosick, Eensselaer. 

 Arthursburgh, Dutchess. 



22 & 23 Talcy limestone. 



24 Slaty limestone. 



25 Sparry limestone. 



26 Sparry limestone. 



27 Sparry limestone 



28 - 30 Sparry limestone. 

 31 Slaty-talcy limestone. 



32 Talco-slatv Limestone, Lebanon springs, Columbia, 



