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Sediment-hosted Massive Sulfide Deposit

Chemical Process (Liquid-phase Growth) - Under water


Sedimentary exhalative deposit, Sullivan type massive sulfide deposit


Stratabound massive sulfide deposit (descriptive), Stratiform massive sulfide deposit (descriptive), Submarine exhalative sedimentary deposit (interpretative)

Required Geological Setting

Continental rift zone


A type of massive sulfide deposits associated with thick terrigenous sediments. The host of deposits is composed of marine terrigeous sediments such as shale and carbonate rocks, and volcanic rocks are not associated unlike volcanogenic massive sulfide deposits. The deposit is concordant with the sedimentary structure of the host, and is considered to be formed around hydrothermal bents in the aborted rift zone.

Mineral Assemblages (Ore)

Sphalerite, Galena, Chalcopyrite, Arsenopyrite, Tetrahedrite, Pyrite, Marcasite, Pyrrhotite

Mineral Assemblages (Gangue)

Quartz, Baryte

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