On Metallic Minerals. 35S 



SULPHURET OK COPPER. — COPPER rVRITKS. 



COPPER SULPHUR. 



Sulphuret of Copper, — in small quantity in a confused mas* 



of quartzy veins at the biutf at the 



lower end of the narrows of Pelletau, 



Lake Huron, 

 in small quantity in argillaceous 



schist at the mountain portage 



above Lake Superior. 

 in amygdaloid at Point Marmaise, Lake 



Superior. 

 .* ,, encrusting the sides of an empty vein 



in greenstone near Mich ipicoten. 



CARBONATE OF COPPER. 

 COPPER, OXYGEN, CARBONIC ACID. 



Carbonate of Copper, {green) — in amygdaloid at Point 



MarmaiPC,Lake Superior 

 . . . . on the north shore of Lake 



Superior, many frag- 

 ments of an impure 

 green carbonate of cop- 

 per, of an untravelled 

 aspect, are found. 

 .. .. .. as a trace u[)on many of 



the rock* in these pro- 

 vinces, 

 in a vein of considerable 

 dimensions on the' east 

 point of Copperas Har- 

 bour, Point Keewawo- 

 nan, sojith shore of Lake 

 Superior. 



