Alaska
Occurrence
Twin Hills Prospect
Alaska, United States
Silver
Gold
Lead
Zinc
Copper
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USGS source ↗
Commodities
Primary
Silver, Gold
Secondary
Lead, Zinc, Copper
Commodity type
M
Deposit
Deposit size
N
Orebody form
VEINS, BRECCIA FILLINGS
Materials
Ore minerals
Chalcopyrite, Galena, Gold, Silver
Gangue
Hornblende, Magnetite, Pyrrhotite
Geology
Host rock
Limestone
Associated rock
Granite
Economic & production
Development status
Occurrence
Identification
Deposit ID
10000642
MRDS ID
A011258
Region
NA
Data score
B
Coordinates
63.33013, -150.49453
References
USGS BULL 836, P. 323USGS OFR 77-169 A, P. 46 LOC. 44BAG-MF-366-35