MINERALS 
95 
Mineral. 
Occurrence. 
Locality. 
Glaucophane ? 
In schist 
Juneau. 
Gold 
Gold ore 
Treadwell mine, Douglas Id. 
Graphite 
u 
44 44 44 
Hornblende 
Porphyritic diorite Hugh Miller Inlet, Glacier Bay. 
In porphyrite 
Stepovak Bay. 
Jasper 
Radiolarian chert 
Halibut Cove, Cook Inlet. 
Boulder 
Hall Island, Bering Sea. 
Laumontite 
In lava 
St. Matthew Id., Bering Sea. 
u 
Stepovak Bay. 
Magnetite 
In aplite 
Lowe Inlet, B. C. 
In actinolite-schist 
Gold Creek, Juneau. 
Pyrite 
In gold ore 
Treadwell mine, Douglas Id. 
u 
Cordova Bay, Prince William 
Sound. 
u 
Apollo mine, Unga Island. 
u 
Chicago mine, Baranof Id. 
In copper ore 
Banks Island, B. C. 
u 
Virgin Bay, Prince William 
Sound. 
u 
Landlocked Bay, Prince William 
Sound. 
u 
Latouche Id., Prince William 
Sound. 
u 
Seldovia, Cook Inlet. 
u 
Port Graham, Cook Inlet. 
In slate 
Kadiak. 
u 
Port Clarence. 
Pyrrhotite 
In copper ore 
Banks Island, B. C. 
44 
Landlocked Bay, Prince William 
Sound. 
u 
Latouche Island, Prince William 
Sound. 
u 
Seldovia, Cook Inlet. 
In quartz vein 
Near Muir Glacier, Glacier Bay. 
44 
Chicago mine, Baranof Island. 
Pyroxene 
In limestone 
Reid Glacier, Glacier Bay. 
Rhodochrosite 
In gold ore 
Mexican mine, Douglas Id. 
Rhodonite 
In gold ore 
Chicago mine, Baranof Id. 
Siderite 
In quartz vein 
Treadwell mine, Douglas Id. 
44 
Gold Creek, Juneau. 
