Commodities
PrimaryGold
SecondarySilver, Lead
TertiaryZinc, Copper
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Ore controlOre Bodies Restricted To Footwall Of Perseverance Slate; Especially Localized Near Ends Of Amphibolite Bodies
Materials
Ore mineralsChalcopyrite, Sphalerite
GanguePyrite, Pyrrhotite, Quartz, Tourmaline
Geology
Host rockAmphibolite · Perseverance Slate;Perseverance Slate
Associated rockGneiss · Mt. Juneau Pluton
StructureSee Alaska-Juneau, Large Fold Shows Mass Of Small Folds In Hinge With Axial Planar Cleavage Parallel To Limbs Of Large Fold
Tectonic settingCoast Plutonic-Metamorphic Complex; Bren And Ford, 1984, Usgs Circ 868, P. 120-124
AlterationBiotization
Economic & production
Development statusProducer
Discovery year1885
Identification
Deposit ID10001319
MRDS IDA012058
Alternate namesAlaska-Juneau Mining Co., Alaska Gastineau Gold Mining Co.
RegionNA
Data scoreB
Coordinates58.30003, -134.337
References
TRANSACTIONS OF THE AMERICAN INSTITUTE OF MINING AND METALLURGICAL ENGINEERS, VOL. 63, P. 464-506USGS BULL 662, P. 80USGS OFR 60, P. 17-19, 26USGS BULL 917-C, P. 186-187ADGGS GR 1, P. 1, 7USGS BULL 287, P. 58-59, 74-76USGS BULL 314, P. 55USBM BULL 153, P. 17-18STONE, DAVID AND STONE, BRENDA, 1983, HARD ROCK GOLD; THE STORY OF THE GREAT MINES THAT WERE THE HEARTBEAT OF JUNEAU: SEATTLE, WA, VANGUARD PRESS, INC., P. 55USGS OFR 85-717, P. 181BAG-OFR-85-717-168USGS BULL 917-C, P. 186, TABLE 5; USGS OFR 60, P. 26, TABLE 1; USGS OFR 85-717, NO. J168