Mine detail: Porgera Mine

Previously called ''

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Location

Lat / long:

-5.46459, 145.08218

Resource(M)

Primary:	Gold, Silver
Tertiary:	Copper, Lead, Zinc
Ore:	Chalcopyrite, Galena, Gold, Marcasite, Pyrite, Silver, Sphalerite, Tetrahedrite
Gangue:	Barite, Calcite, Chalcedony, Dolomite, Siderite
Orebody form:	IRREGULAR
Discovery year:	1933

Production

Operation type:	Unknown
Production size:	Yes
Development status:	Producer

Geology

Host rock:	Chim
Host type:	Clastic Sedimentary Rock,Black Shale,Sandstone
Associated rock:	Porgera Intrusives
Associated type:	Diorite,Gabbro,Andesite,Basalt,Plutonic Rock
Structure:	East-Trending Steeply Dipping Roamane Fault. Extensive Zones Of Brecciation., Thrusts And Steeply Dipping Faults, Fractures And Multiple Veins. Banded And Colloform Textures .
Tectonic:	Papaun Fold Belt. Active Or Failed Subduction Zones.
Alteration processes:	Early Low Grade Propylitic Assemblages Of Chlorite And Calcite Overprinted By Phyllic Assemblages Of Sericite And Dolomite, Subordinate Quartz And Clay.

References

MRDS	RE00015
DEP	10055079
Reference	{Deposit:: FLEMING, A. W., HANDLEY, G. A., ET AL. 1986 THE PORGERA GOLD DEPOSIT, PAPUA NEW GUINEA: ECONOMIC GEOLOGY V.81, PP. 660-680.}{Deposit:: HENRY, D.D., 1988, PORGERA-THE FIRST FIFTY YEARS: BICENTENNIAL GOLD *8; GEOLOGICAL SOCIETY OF AUSTRALIA ABSTRACT SERIES 22, PP. 144-149.}{Deposit:: KLIPFEL, P.D. 1987, OVERVIEW PRESENTED OF MINERAL EXPLORATION AND DEVELOPMENT ACTIVITIES IN THE SOUTHWEST PACIFIC: MINING ENGINEERING, OCT., PP.919-926.}{Deposit:: COX, D.P., WILLIAMSON, A. ET AL., MINERAL DEPOSIT MODELS APPLICABLE TO PAPUA NEW GUINEA: USGS UNPUBLISHED REPORT 86/5.}{Reserve-Resource:: KLIPFEL, P.D. , 1987, P.926}
Reporter	Moyer, Lorre A. (Marcus, S.M.)