MINERAL RESOURCES OF THE STATE OF NEW YORK 



Cajcy Mv. 

 Crchore^Mina 



Black Mt 



The North River garnet district 



Occurrence. The active mines in the Adirondack region in the 

 last two years included those worked by the North River Garnet 

 Co. at Thirteenth lake, by H. H. Barton & Son Co. on Gore moun- 

 tain near North Creek, and by the Warren County Garnet Mills 

 near Wevertown, all in Warren county. As heretofore, the largest 

 operations were carried on by the North River Garnet Co. who 

 worked an open quarry in a great body of gametiferous gneiss. 

 The rock is perhaps a metamorphosed igneous rock allied to the 

 syenite group, which is so abundant in the eastern and northern 

 Adirondacks. The garnet occurs in the form of rounded grains and 

 occasional crystal particles which range from a fraction of an inch 

 to 4 or 5 inches in diameter. It has a dark red color and belongs 

 to the almandite variety. The extraction of the garnet from the 



