Alaska
Past Producer

Castle Island Mine

Alaska, United States
Barium-BariteGoldSilverLeadZincCopper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryBarium-Barite
TertiaryGold, Silver, Lead, Zinc, Copper
Commodity typeB
Deposit
Deposit typeStratiform
Deposit sizeM
Materials
Ore mineralsBarite, Galena, Sphalerite
GangueGraphite, Magnetite, Sphene
Geology
Host rockLimestone
Economic & production
Development statusPast Producer
First production1963
Last production1980
Discovery year1925
Identification
Deposit ID10100940
MRDS IDA010666
Alternate namesDuncan Canal
RegionNA
Data scoreC
Coordinates56.65252, -133.16299
References
USGS OFR 78-870, P. 10-11USGS B 592, P. 109-113ADGGS SPEC REPT 31, P 46