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Showing 1 to 2 of 2 for “"noble metal analyses"”.
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The Porgera gold deposit, Papua New Guinea : geology, geochemistry and geochronology
… sediments). Minor free gold also occurs in base metal-sulphide veins associated with these alteration zones. Later, high-grade mineralization (locally up to 3000 g/tonne Au) occurs in quartz-oscoelite veins associated with the Roamane Fault (an extensional structure which cross-cuts the intrusive …
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The Porgera gold deposit, Papua New Guinea : geology, geochemistry and geochronology
… sediments). Minor free gold also occurs in base metal-sulphide veins associated with these alteration zones. Later, high-grade mineralization (locally up to 3000 g/tonne Au) occurs in quartz-oscoelite veins associated with the Roamane Fault (an extensional structure which cross-cuts the intrusive …