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The Porgera gold deposit, Papua New Guinea : geology, geochemistry and geochronology

Richards, Jeremy Peter


The Porgera gold deposit, located in the highlands of Papua New Guinea (PNG), contains ~410 tonnes Au and ~890 tonnes Ag, distributed between a large lower-grade ore zone (78.6 million tonnes, 3.5 g/tonne Au, 9.9 g/tonne Ag), and a smaller highgrade zone (5.0 million tonnes, 26.5 g/tonne Au, 22.1 g/tonne Ag). Lower-grade mineralization occurs as stockworks and disseminations of auriferous arsenical pyrite associated with strong sericite-carbonate alteration, which cross-cut and overprint a...[Show more]

CollectionsOpen Access Theses
Date published: 1990
Type: Thesis (PhD)
DOI: 10.25911/5d723e9b405f6


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