Commodities
PrimaryGold, Silver
SecondaryLead
TertiaryZinc, Copper, Barium-Barite
Commodity typeB
Deposit
Deposit sizeS
WorkingsSurface/Underground
Materials
Ore mineralsChalcopyrite, Sphalerite
GangueBiotite, Calcite, Magnetite, Pyrite, Pyrrhotite, Quartz, Sericite, Tourmaline
Geology
Host rockAmphibolite · Perseverance Slate;Perseverance Slate
Associated rockGreenstone · Gastineau Volcanics;Gastineau Volcanics;Gastineau Volcanics
Tectonic settingCoast Plutonic-Metamorphic Complex; Brewand Ford, 1984, Usgs Circ 868, P. 120-124
Economic & production
Development statusProducer
First production1885
Last production1944
Discovery year1880
Identification
Deposit ID10001304
MRDS IDA012043
Alternate namesU.S. Smetting, Refining and Exploration, Ebner Group, Humboldt
RegionNA
Data scoreB
Coordinates58.31225, -134.37368
References
USGS 18TH ANNUAL REPORT, PT. 3, P. 62-63, 73USGS BULL 287, P. 58, 66-69USGS BULL 284, P. 37USGS BULL 662, P. 96, 98, 100-101USGS BULL 783, P. 7USGS OFR 60, P. 16-17USGS PP 610, P. 20USGS OFR 85-395USGS OFR 85-717, P. 173BAG-OFR-85-717-160