MINERALS 



95 



Mineral. 

 Glaucophane ? 

 Gold 

 Graphite 

 Hornblende 



Jasper 

 Laumontite 

 Magnetite 

 Pyrite 



Pyrrhotite 



Pyroxene 

 Rhodochrosite 

 Rhodonite 

 Siderite 



Occurrence. 

 In schist 



Gold ore 

 it 



Porphyritic diorite 

 In porphyrite 

 Radiolarian chert 

 Boulder 



In lava 



u 



In aplite 



In actinolite-schist 



In gold ore 



In copper ore 



u 



M 



In slate 

 u 



In copper ore 



In quartz vein 



H 



In limestone 

 In gold ore 

 In gold ore 

 In quartz vein 



Locality. 

 Juneau. 



Treadwell mine, Douglas Id. 



it u u 



Hugh Miller Inlet, Glacier Bay. 



Stepovak Bay. 



Halibut Cove, Cook Inlet. 



Hall Island, Bering Sea. 



St. Matthew Id., Bering Sea. 



Stepovak Bay. 



Lowe Inlet, B. C. 



Gold Creek, Juneau. 



Treadwell mine, Douglas Id. 



Cordova Bay, Prince William 



Sound. 



Apollo mine, Unga Island. 

 Chicago mine, Baranof Id. 

 Banks Island, B. C. 

 Virgin Bay, Prince William 



Sound. 

 Landlocked Bay, Prince William 



Sound. 

 Latouche Id., Prince William 



Sound. 



Seldovia, Cook Inlet. 

 Port Graham, Cook Inlet. 

 Kadiak. 

 Port Clarence. 

 Banks Island, B. C. 

 Landlocked Bay, Prince William 



Sound. 

 Latouche Island, Prince William 



Sound. 



Seldovia, Cook Inlet. 

 Near Muir Glacier, Glacier Bay. 

 Chicago mine, Baranof Island. 

 Reid Glacier, Glacier Bay. 

 Mexican mine, Douglas Id. 

 Chicago mine, Baranof Id. 

 Treadwell mine, Douglas Id. 

 Gold Creek, Juneau. 



