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Volcanogenic Massive Sulphide (VMS) Deposits

VMS deposits.ppt

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Page 1: VMS deposits.ppt

Volcanogenic Massive Sulphide (VMS) Deposits

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VMS Deposits in Outcrop and Core

Sphalerite

Pyrite

Pyrite and sphalerite

Sphalerite

Pyrite

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

Lead-Zinc Resources Copper Resources

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Metal Distributions in VMS Deposits

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Grade and Tonnages of VMS Deposits

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The tectonic settings of VMS deposits

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Kuroko Type VMS deposits

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Paleogeographic Setting of Kuroko Deposits

VMS Ores Gypsum

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Canadian Kuroko-Type VMS Deposits

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Abitibi Greenstone BeltVMS Deposits

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Distribution of Noranda-type VMS deposits

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Besshi-type Deposit - Back-Arc rift setting

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Cyprus-type VMS deposits (Cu, Minor Zn)Ophiolite

(A slice of oceanic crust)

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Explorer Ridge – a VMS Deposit in the Making

Explorer Ridge

Magic Mountain

Black smokers

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Black smoker chimney and Cu-Zn Sulphides

Chalcopyrite

Sphalerite

Pyrite

Anhydrite

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Chimney Development

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The TAG (Mid-Atlantic Ridge) Hydrothermal Vent Field

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Anatomy of a Seafloor Sulphide Mound

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Mound Mineralogy

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Fluid Compositions

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VMS Deposits – Isotopic Data

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Controls on Mineral Deposition

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Model for VMS Ore Formation