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Mine detail: Douglas Island Deposit
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North America
United States
Alaska
Unknown
Previously called ''
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Location
Lat / long:
58.27808, -134.39534
Resource(M)
Primary:
Vanadium, Chromium, Copper
Secondary:
PGE
Tertiary:
Scandium, Nickel, Cobalt
Production
Operation type:
Unknown
Production size:
Yes
Development status:
Producer
Geology
Host type:
Ultramafic Intrusive Rock,Greenstone,Shale,Siltstone
Associated rock:
Douglas Island Volcanics
Associated type:
Ultramafic Intrusive Rock
Tectonic:
Located In The Gravina-Nutzotin Belt
Alteration processes:
Barrovian Metamorphism (Mainly In The Prehnite-Pumpellyite Metagraywacke Facies, Increasing Eastward To The Lower Greenschist Facies On Eastern Douglas Island)
References
MRDS
M046997
DEP
10109596
Reference
FORD, A., BREW, D., 1978 , MINOR METAL CONTENT OF CRETACEOUS GREENSTONE, JUNEAU, ALASKA: U.S.G.S. CIRCULAR 772 - B, P. B - 8
Reporter
Saso, Jerri L.