Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

© Geoscience Australia, 2004

Porgera

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

© Geoscience Australia, 2004

Phreatomagmatic breccias

UpperRidges, Wau, PNG

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

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Sheeted veins at depth pass upwards to open space brecciaSheeted veins at depth pass upwards to open space breccia

Kelian

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

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Conceptual Model for Styles of Epithermal GoldConceptual Model for Styles of Epithermal Gold--Silver and Silver and Porphyry Copper Porphyry Copper MineralisationMineralisation

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

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PolymetallicPolymetallic AuAu--AgAg

Hadleigh Castle, Queensland Caylloma, Peru

Parkers, Mineral Hill, NSW Arcata, Peru

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

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PolymetallicAu-Ag

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

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Banded Adularia-sericite versus Polymetallic

Peru, Polymetallic Veins

Golden Cross, NZ, Adularia-Sericite

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

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Epithermal Quartz AuEpithermal Quartz Au--AgAgPorgeraPorgera Zone VIIZone VII

Bonanza goldBonanza gold

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

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Thames Goldfield New ZealandThames Goldfield New Zealand

Quartz reefs and faultsQuartz reefs and faults

Quartz vein brecciaQuartz vein breccia

Bonanza goldBonanza gold

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

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Emperor Gold mine

Flatmake

Telluride breccia matrix Gold overprints quartz-sulphide

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

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Edie Creek

Edie Creek

Upper Ridges, Wau

Hamata

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

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Sediment Hosted Replacement GoldStructural and Lithological Control

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

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High versus Low Sulphidation

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

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Two phase fluid flow model

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

© Geoscience Australia, 2004

Zoned acid alteration

Del Carmen, Argentina El Indio, Chile

Sappes, Greece

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

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Alteration cross section

- Nena

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

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Mineralization

Mt Kasi, Fiji

Maragorik, PNG

El Indio, Chile

Yanacocha, Peru

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

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Breccia

Lepanto, PhillipinesVeladero, Argentina

Yanacocha, Peru

Pascua, Chile

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

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High High SulphidationSulphidation CuCu--AuAu++AgAgMt Mt KasiKasi –– Dome AssociationDome Association

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

© Geoscience Australia, 2004

LepantoLepanto

Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium

© Geoscience Australia, 2004

ConclusionConclusion