Commodities
PrimaryCopper
SecondarySilver, Gold
TertiaryIron
Commodity typeM
Deposit
Deposit typeContact Metasomatic
Deposit sizeS
Orebody formTABULAR
Materials
Ore mineralsChalcopyrite, Magnetite, Pyrite
GangueCalcite, Epidote, Garnet, Limonite, Malachite
Geology
Host rockGreenstone
Associated rockAndesite
StructureTwo Systems Of Folds. One Trends N10w And The Other Trends N80e. One Major Fault Which Trends N 80 E.
Economic & production
Development statusPast Producer
First production1905
Last production1918
Identification
Deposit ID10100929
MRDS IDA010042
Alternate namesBrown Alaska Co.
RegionNA
Data scoreB
Coordinates55.52195, -132.28236
References
USGS BULL 259, P. 63.USGS BULL 284, P. 46-47.USGS BULL 347, P. 112-114.USGS PROFESSIONAL PAPER 87, P. 86, 88-89, 92.USGS BULL 1082-C, P. 80, 102.USGS BULL 1090, P. 5, 32, 54-84.USGS BULL 1246, P. 165-167.USGS MF 433USGS OF 78-869, P. 124-127USGS BULL 1090 P. 54-80.