SEDEX Deposits - Metallurgist & Mineral Processing Engineer · ZINC METAL RESERVES BY DEPOSIT TYPE...
Transcript of SEDEX Deposits - Metallurgist & Mineral Processing Engineer · ZINC METAL RESERVES BY DEPOSIT TYPE...
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SEDEX Deposits
(Sedimentary Exhalative)
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SEDEX Ore
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Zn-Pb Reserves and Production by Deposit Type
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Grade and Tonnage of all SEDEX Deposits
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Grade and Tonnage of some SEDEX Deposits
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Sedex deposits of the Selwyn Basin
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Tom SEDEX Deposit, Yukon
15.7 x106 tons
7% Zn, 4.6% Pb,
49 ppm Ag
Stratified ores: Black
facies (carbonaceous
chert, sphalerite, galena);
Grey facies (grey chert,
barite, sphalerite); Pink
facies (chert, pink,
cream, black sphalerite,
barite, galena
Pink Facies
1 cm
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Selwyn Basin and Extensional tectonics
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Distribution of Sedex Deposits relative
to Late Devonian Paleogeography
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Distribution of Sedex Deposits relative to
Proterozoic Paleogeography
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Distribution of SEDEX Deposits with Time
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Marine δ34S and SEDEX deposits
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Atlantis II Deep a SEDEX Deposit in the making
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Antlantis II Deep
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Creating the Environment for SEDEX Deposits
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The Rift Environment
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Towards a SEDEX model
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Conditions of Metal Transport/Deposition
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The ore-forming system