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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
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
© Geoscience Australia, 2004
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
© Geoscience Australia, 2004
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
© Geoscience Australia, 2004
PolymetallicPolymetallic AuAu--AgAg
Hadleigh Castle, Queensland Caylloma, Peru
Parkers, Mineral Hill, NSW Arcata, Peru
Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium
© Geoscience Australia, 2004
PolymetallicAu-Ag
Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium
© Geoscience Australia, 2004
Banded Adularia-sericite versus Polymetallic
Peru, Polymetallic Veins
Golden Cross, NZ, Adularia-Sericite
Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium
© Geoscience Australia, 2004
Epithermal Quartz AuEpithermal Quartz Au--AgAgPorgeraPorgera Zone VIIZone VII
Bonanza goldBonanza gold
Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium
© Geoscience Australia, 2004
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
© Geoscience Australia, 2004
Emperor Gold mine
Flatmake
Telluride breccia matrix Gold overprints quartz-sulphide
Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium
© Geoscience Australia, 2004
Edie Creek
Edie Creek
Upper Ridges, Wau
Hamata
Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium
© Geoscience Australia, 2004
Sediment Hosted Replacement GoldStructural and Lithological Control
Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium
© Geoscience Australia, 2004
High versus Low Sulphidation
Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium
© Geoscience Australia, 2004
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
© Geoscience Australia, 2004
Alteration cross section
- Nena
Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium
© Geoscience Australia, 2004
Mineralization
Mt Kasi, Fiji
Maragorik, PNG
El Indio, Chile
Yanacocha, Peru
Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium
© Geoscience Australia, 2004
Breccia
Lepanto, PhillipinesVeladero, Argentina
Yanacocha, Peru
Pascua, Chile
Corbett, G., Epithermal Au-Ag: The Magmatic Connection Ishihara Symposium
© Geoscience Australia, 2004
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
