Description
Joseph Juneau; Richard T. Harris
Commodities
PrimaryGold
SecondarySilver, Lead
TertiaryZinc, Copper
Commodity typeM
Deposit
Deposit sizeM
Orebody formIRREGULAR, LENSE
Ore controlOre Veins Localized Along Amphibolite-Phyllite Contacts Within The Core Of A Ne. Plunging Antiform In Perseverance Slate
Materials
Ore mineralsChalcopyrite, Sphalerite
GangueAnkerite, Pyrite, Pyrrhotite, Quartz
Geology
Host rockAmphibolite · Perseverance Slate;Perseverance Slate
Associated rockGneiss · Mt Juneau Pluton;Perseverance Slate;Gastineau Volcanics;Gastineau Volcanics;Gastineau Volcanics
StructureArea Sw Of Coast Range Intrusive Complex Is Metamorphic Belt With Well Developed Nw Trending Isoclinal Fold System; Minor Fold Axes Plunge Steeply Ne; Two Major Fault Sets: Nw Striking Longitudinal Faults And Steeply Dipping E-W Striking Transverse Faults, A.J. Lode System Is Bisected By E W Trending, Transverse-Normal, Silverbow Fault; Dip 70 N; Ebner Mine And North Ore Body Have Been Offset To The W And Dropped Relative To South Ore Body And Perseverance Mine
Tectonic settingCoast Plutonic-Metamorphic Complex, Brew And Ford, 1984, See: Usgscirc 868, P. 120-124
Economic & production
Development statusProducer
First production1893
Last production1944
Discovery year1880
Identification
Deposit ID10001318
MRDS IDA012057
Alternate namesMines: A.J., Perseverance, Ebner, Alaska Juneau Gold Mining Co., Orebodies: North Ore Body, South Ore Body
RegionNA
Data scoreB
Coordinates58.30725, -134.34701
References
USGS OFR 60ENGINEERING AND MINING JOURNAL, VOL.133, NO.9ADGGS GR 1, P.19-21NOEL, G.A., 1966, THE PRODUCTIVE MINERAL DEPOSITS OF SOUTHEAST ALASKA, IN ADGGS REPORT FOR THE YEAR 1966: JUNEAU, ALASKA, P.54, 60MINING JOURNAL, VOL. 302, NO. 7755, P.230-231USGS OFR 85-395USGS CIRC 700, P.54-56ADGGS SR 38, P.14STONE, DAVID AND STONE, BRENDA, 1983, HARD ROCK GOLD, THE STORY OF THE GREAT MINES THAT WERE THE HEARTBEAT OF JUNEAU: SEATTLE, WASH., VANGUARD PRESS INC., P.57-78USGS OFR 85-717, P.178BAG-OFR-85-717-165USGS OFR 60, TABLE 2