Volcanogenic Massive Sulphide (VMS) Deposits

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Presentation transcript:

Volcanogenic Massive Sulphide (VMS) Deposits

VMS Deposits in Outcrop and Core Pyrite and sphalerite Sphalerite Pyrite Pyrite Sphalerite

The Importance of VMS Deposits as a Copper, Zinc and Lead Resource Lead-Zinc Resources Copper Resources

Metal Distributions in VMS Deposits

Grade and Tonnages of VMS Deposits

The tectonic settings of VMS deposits

Kuroko Type VMS deposits

Paleogeographic Setting of Kuroko Deposits VMS Ores Gypsum

Canadian Kuroko-Type VMS Deposits

Abitibi Greenstone Belt VMS Deposits

Distribution of Noranda-type VMS deposits

Besshi-type Deposit - Back-Arc rift setting

(A slice of oceanic crust) Cyprus-type VMS deposits (Cu, Minor Zn) Ophiolite (A slice of oceanic crust)

Explorer Ridge – a VMS Deposit in the Making Magic Mountain Black smokers

Black smoker chimney and Cu-Zn Sulphides Anhydrite Chalcopyrite Pyrite Sphalerite

Chimney Development

The TAG (Mid-Atlantic Ridge) Hydrothermal Vent Field

Anatomy of a Seafloor Sulphide Mound

Mound Mineralogy

Fluid Compositions

VMS Deposits – Isotopic Data

Controls on Mineral Deposition

Model for VMS Ore Formation

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