Sediment-Hosted Zn-Pb OresLluis Fontbote, Maria Boni Sediment-hosted deposits are the main source of zinc and lead. In this volume, the reader will find the most recent developments in research including: - Fluid migration leading to formation of Zn-Pb ores in sedimentary basins. Relationships to orogenic events and to geothermic anomalies - Transport of metals and precipitation mechanisms. The role played by fluid mixing, fluid-rock reaction, organic matter, and thiosulfates - Paleomagnetic dating of ore deposits - The association of Mississippi Valley-type ore deposits to diapiric salt structures - Geochemical investigations applied to exploration for sediment-hosted Zn-Pb deposits - Economic aspects. The broad geographical coverage is an additional aspect which will interest both researchers and explorationists. |
Contents
SedimentHosted ZincLead Ores An Introduction | 3 |
Palaeomagnetic Methods for Dating the Genesis | 42 |
Galena and Sphalerite Associated with Coal Seams | 59 |
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Amstutz anhydrite associated Australia barite basin Bleiberg Bou Grine breccia brines Broken Hill calcite Cambrian cap rock carbonate rocks carbonate-hosted Carboniferous coal concentrations Cretaceous crystals Devonian diagenesis diagenetic diapirs dolomite dolostone Econ Geol evaporites exploration facies faults fluid inclusion fluorite formation fractures galena genesis geochemical geochemistry Geol Soc Geol Surv Geology host rocks hydrothermal Inst Min Metall isotope Leach lead lead-zinc deposits limestone marcasite massive mineral deposits Mississippi Valley Mississippi Valley-type deposits Mount Isa MVT deposits MVT mineralization occur orebodies orefields organic matter Orgeval orogen Ozark region Palaeozoic Pennine precipitation Proterozoic pyrite Raibl ratios rift saddle dolomite salt dome samples sandstone Sangster Schroll Sedex Sedex deposits Sedex-type deposits sedimentary sediments sequence shale southeast Missouri sphalerite stratiform studies sulfide sulfur sulphate sulphide sulphur tectonic temperatures thermal thiosulphate trace elements Triassic Viburnum Viburnum Trend volcanic zinc Zn-Pb Zn-Pb-Ag zone