Mine detail: Castle Island Mine

Previously called 'Duncan Canal'

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Location

Lat / long:

56.65252, -133.163

Resource(B)

Primary:	Barium-Barite
Tertiary:	Copper, Zinc, Lead, Silver, Gold
Ore:	Barite, Galena, Sphalerite
Gangue:	Graphite, Magnetite, Sphene
Discovery year:	1925

Production

Operation type:	Unknown
Deposit type:	Stratiform
Production size:	Medium
Development status:	Past Producer
First production started:	1963
Last production ended:	1980

Geology

Host type:

Limestone

References

MRDS	A010666
DEP	10100940
Reference	{Deposit:: USGS OFR 78-870, P. 10-11}{Deposit:: USGS B 592, P. 109-113}{Deposit:: ADGGS SPEC REPT 31, P 46}
Reporter	Elliott, R. L., Mosier, Dan, Waller, Nichelle (Mosier, Dan)