Commodities
PrimaryIron
SecondaryChromium
TertiaryPlatinum, Nickel, Copper
Commodity typeM
Materials
Ore mineralsChromite
GanguePyrite, Pyrrhotite
Other materialsChalcopyrite, Pentlandite
Geology
Host rockHornblendite · Duke Island Ultramafic Complex;Duke Island Ultramafic Complex;Duke Island Ultramafic Complex
Associated rockHornblendite · Duke Island Ultramafic Complex;Duke Island Ultramafic Complex
Economic & production
Development statusOccurrence
Identification
Deposit ID10001637
MRDS IDA012405
Alternate namesDitto ? Prospect
RegionNA
Data scoreB
Coordinates54.92557, -131.3598
References
USGS OFR 78-73B, LOC. 166IRVINE, T.N., 1959, THE ULTRAMAFIC COMPLEX AND RELATED ROCKS OF DUKE ISLAND, SOUTHEASTERN ALASKA: CALIFORNIA INSTITUTE OF TECHNOLOGY, PASADENA, PH.D. THESISTAYLOR, H.P. AND NOBLE, J.A., 1960, ORIGIN OF THE ULTRAMAFIC COMPLEXES IN SOUTHEASTERN ALASKA: INTERNAT. GEOL. CONG., 21ST, COPENHAGEN, REPT., PT. 13, P. 178-180USGS OFR 78-73M, P. 24-25, 27USGS PP 800-C, P. C159USGS BULL 1246, P. 183BAG-OFR-78-73B-166