The Douglas Island Deposit is a vanadium, chromium, and copper mine located in Alaska.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation:
Commodity: Vanadium, Chromium, Copper
Lat, Long: 58.27833, -134.39333
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Douglas Island Deposit MRDS details
Site Name
Primary: Douglas Island Deposit
Commodity
Primary: Vanadium
Primary: Chromium
Primary: Copper
Secondary: PGE
Tertiary: Scandium
Tertiary: Nickel
Tertiary: Cobalt
Location
State: Alaska
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Barrovian Metamorphism (Mainly In The Prehnite-Pumpellyite Metagraywacke Facies, Increasing Eastward To The Lower Greenschist Facies On Eastern Douglas Island)
Rocks
Name: Ultramafic Intrusive Rock
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Name: Ultramafic Intrusive Rock
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Analytical Data: STANDARD DEVIATION - 0.003 .
Analytical Data: RANGE-TR. TO 0.019
Analytical Data: AVERAGE PT: (PT & PD) .34 . AVERAGE PD CONTENT, IN PARTS PER MILLION OF METAVOLCANIC ROCKS: MEAN - 0.012
Analytical Data: AVERAGE PT: PD .51
Analytical Data: AVERAGE PLATINUM 6 PPB
Analytical Data: PGM: AVERAGE PALLADIUM 12 PPB
Materials
Not available
Comments
Comment (Location): AREA INCLUDES DOUGLAS ISLAND, EAST SIDE OF LYNN CANAL SOUTH OF BERNERS BAY, AND GLASS PENINSULA ON EASTERN ADMIRALTY ISLAND. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Comment (Commodity): NO DATA AVAILABLE FOR PGM CONTENT IN ULTRAMAFICS
References
Reference (Deposit): FORD, A., BREW, D., 1978 , MINOR METAL CONTENT OF CRETACEOUS GREENSTONE, JUNEAU, ALASKA: U.S.G.S. CIRCULAR 772 - B, P. B - 85
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