Bear Mine

Alaska, United States

GoldCopper

⌖ Show on map USGS source ↗

Commodities

PrimaryGold

TertiaryCopper

Commodity typeM

Deposit

Deposit sizeS

WorkingsSurface/Underground

Materials

Ore mineralsChalcopyrite

GangueCalcite, Pyrite, Quartz, Sericite

Geology

Host rockDiorite

Associated rockDiorite · Jualin Diorite

Economic & production

Development statusPast Producer

First production1895

Last production1897

Discovery year1891

Identification

Deposit ID10100967

MRDS IDA012116

RegionNA

Data scoreB

Coordinates58.86308, -135.09623

References

USGS 18TH ANNUAL REPORT, PART 3, P. 62-63USGS BULL 284, P. 32USGS BULL 446, P. 39-40USGS BULL 442, P. 77USGS BULL 1246, P. 160USGS OFR 85-717, NO. J092BAG-OFR-85-717-092