Commodities
PrimaryGold
SecondarySilver
Commodity typeM
Deposit
Model276: Homestake Au
Deposit sizeL
Orebody formBEDDED
Materials
Ore mineralsBornite, Chalcopyrite, Electrum, Gold, Marcasite, Molybdenite, Pyrite, Pyrrhotite, Sphalerite, Stibnite, Tetrahedrite
GangueAndalusite, Biotite, Feldspar, Muscovite, Quartz
Geology
Host rockSchist,Greenschist · Big Bell Lode Formation
Associated rockMafic Volcanic Rock
StructureAcid Volcanic Sequences, Mineralized Sequence Is In The Overturned Western Limb Of A Regional Anticline That Plunges Nne.
Tectonic settingNarrow Archean Platform-Phase Greenstone Belt Of The Yilgarn Block (Archean).
AlterationExtensive Hydrothermal, Sulphidisation
Economic & production
Development statusProducer
Production years1916-1923, 1937-1955, 1989-
First production1916
Discovery year1904
Identification
Deposit ID10056347
MRDS IDTC00004
Alternate namesBig Bell Gold Deposit, Super Pit
RegionOC
Data scoreA
Coordinates-27.31846, 117.6521
References
MINING ENGINEERING, MARCH 1989, P. 151.PLACER DOME INC., 1988, INTERNATIONAL ANALYSTS TOUR REPORT.DODSON, RICHARD, 1989, OF THE AUSTRALIAN BUREAU OF MINERAL RESOURCES AS REPORTED TO THE U.S. DEPT OF STATE ECONOMIC AND BUSNESS AFFAIRS.PLACER DOME, INC., 1990, ANNUAL REPORT.ENGINEERING AND MINING JOURNAL, NOVEMBER, 1983, P. 111-112.ENGINEERING AND MINING JOURNAL, JUNE, 1988, P. 42-46.HANDLEY, G.A., AND CARY, R., 1990, BIG BELL GOLD DEPOSIT, IN HUGHES, F.E., ED., GEOLOGY OF THE MINERAL DEPOSITS OF AUSTRALIA AND PAPUA NEW GUINEA, VOLUME 1: AUSTRALASIAN INSTITUTE OF MINING AND METALLURGY MONOGRAPH 14, P. 211-216.PLACER DOME, 1988; HANDLEY AND CARY, 1990.