Commodities
PrimaryGold
SecondarySilver, Lead
TertiaryCopper, Zinc, Arsenic, Tungsten, Molybdenum
Commodity typeM
Deposit
Deposit sizeM
WorkingsSurface/Underground
Orebody formPINCH AND SWELL
Ore controlMineralization Unfined To Albite-Diorite Sills Near Slate/Hornblendite Contact Within The Seymour Canal Formation
Materials
Ore mineralsChalcopyrite, Molybdenite, Orpiment, Realgar, Scheelite, Sphalerite
GangueAlbite, Biotite, Calcite, Quartz
Geology
Host rockSlate
Associated rockGreenstone
Tectonic settingGravina Belt, Berg And Others, 1978; Usgs Ofr 78-1085
AlterationAlbitization
Economic & production
Development statusProducer
First production1882
Last production1922
Discovery year1881
Identification
Deposit ID10001321
MRDS IDA012061
Alternate namesAlaska Treadwell Gold Mining Co.
RegionNA
Data scoreB
Coordinates58.26642, -134.38006
References
USGS 18TH ANNUAL REPORT, PART 3, P. 10, 12, 62-70USGS BULL 287, P. 90-116USGS BULL 662, P. 77-79USGS OFR 60, P. 4, 21-22, 45, 93ADGGS REPORT FOR THE YEAR 1966, P. 54, 60USGS BULL 1246, P. 154-155USBM IC 8331, P. 6-7USBM OFR 22-69, P. 33USGS OFR 85-717, P. 210-211STONE, DAVID AND STONE, BRENDA, 1983, HARD ROCK GOLD, THE STORY OF THE GREAT MINES THAT WERE THE HEARTBEAT OF JUNEAU: SEATTLE, WASHINGTON, VANGUARD PRESS INC., P. 10-36BAG-OFR-85-717-1979STONE AND STONE, 1983, P. 34; USGS OFR 85-717, P. 210-211