Alaska
Past Producer
Big Harbor Mine
Alaska, United States
Copper
Gold
Silver
Zinc
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USGS source ↗
Commodities
Primary
Copper
Tertiary
Gold, Silver, Zinc
Commodity type
M
Deposit
Deposit size
S
Workings
Surface/Underground
Orebody form
LENSES, PODS, STRINGERS
Ore control
Mineralized Zone Is At Gradational Contact Between Metamorphic Facies
Materials
Ore minerals
Chalcopyrite, Pyrite, Sphalerite
Geology
Host rock
Greenschist
Economic & production
Development status
Past Producer
First production
1912
Last production
1916
Discovery year
1907
Identification
Deposit ID
10100928
MRDS ID
A010014
Alternate names
Northland Development Co.
Region
NA
Data score
B
Coordinates
55.37194, -132.97125
References
USGS BULL 592, P. 84-85.USGS BULL 642, P. 91-93.USGS BULL 714, P. 18.USGS BULL 1246 P. 170.USGS MF 433.USGS OF 78-869 P. 19-20.