The Duke Island is a 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
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.
Duke Island MRDS details
Site Name
Primary: Duke Island
Commodity
Tertiary: Platinum
Tertiary: Palladium
Tertiary: Copper
Tertiary: Chromium
Tertiary: Nickel
Tertiary: Iron
Location
State: Alaska
District: Ketchikan District
Land Status
Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: CONCENTRATIONS IN PPM, PT= .037, PD= .033, RH= .010 MAX., CLARK AND GREENWOOD 1972
Materials
Ore: Magnetite
Ore: Chalcopyrite
Comments
Not available
References
Reference (Deposit): IRVINE, 1959
Reference (Deposit): CLARK AND GREENWOOD, 1972, USGS PROF. PAPER 800 C, P. C159
Reference (Deposit): BERG AND COBB, 1967, P. 183 (B1246)
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