MVT Deposits. (Mississippi Valley Type Deposits). MVT Ores. Sphalerite and Galena in brecciated, dolomitized limestone. Spalerite-galena-bearing breccia. Galena. Sphalerite. Distribution of MVT Deposits. Zn-Pb Reserves and Production by Deposit Type.
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(Mississippi Valley Type Deposits)
Sphalerite and Galena in brecciated, dolomitized limestone
Distribution of MVT Deposits
Zn-Pb Reserves and Production by Deposit Type
Grade and Tonnage Data for MVT Deposits
The MVT Districts of the SE United States
Geological Setting of Pine Point
Pine Point Ore and Host Textures
Breccia infilled by sulphides
Cross-section through the Pine Point Deposit
Cartoon of the Robb Lake MVT Deposit, Yukon
Fluid Inclusion Data
Th: 125 – 200 oC
Salinity : ~ 15wt% NaCl eq.
2-Phase Aqueous Inclusions
Oil-bearing aqueous inclusions
Composition of MVT Fluids
Sulphur Isotopic Composition of MVT Deposits
Solubility of Sphalerite and Galena
Genetic Model for MVT Deposits
ZnCl+ + SO42- = ZnS + Cl- + 2O2
PbCl+ + SO42- = PbS + Cl- + 2O2