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Showing 1 to 4 of 4 for “"Smithsonite"”.
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Mineralogy and geochemistry of the non-sulfide Zn deposits in the Sierra Mojada district, Coahuila, Mexico
… focuses on the two non-sulfide Zn deposits, the Smithsonite Manto and the Iron Oxide Manto, that occur south of the San Marcos fault. The Smithsonite Manto shows karst features, including internal sediments interbanded with smithsonite (ZnCO₃). The Iron Oxide Manto consists of strata-bound zones …
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Phosphate and thermal stabilization of heavy metals in dredged sediments
… Zn precipitated as the relatively soluble smithsonite (ZnCO_3) (67%) and adsorbed to hydrous iron oxides (15%) and hydrous manganese oxides (18%). Phosphate addition and calcination resulted in sparingly soluble phases, hopeite (Zn_3(PO_4)_2.4H_2O) (22%), and spinels, gahnite (ZnAl_2O_4) …
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The origin and behaviour of carbonate minerals in diverse environments: from subduction zones to asteroids
… aqueous solubility of rhodochrosite (MnCO3) and smithsonite (ZnCO3) and Zn complexation were unravelled using the combination of synchrotron X-ray fluorescence spectroscopy and X-ray absorption spectroscopy in the diamond anvil cell (DAC). The aqueous solubility of dolomite [CaMg(CO3)2] and …
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Prediction of Mississippi-Valley type ore fluid metal concentrations from solid solution metal concentrations in ore-stage minerals
… Zn and Fe, which also form carbonate minerals (smithsonite and siderite) with the calcite structure, 10s of ppm Zn and 1s to 10s of ppm Fe in Illinois-Kentucky and a maximum of 10s of ppm Zn and 1s to 10s of ppm Fe in Central Tennessee , are likely to be accurate. These Zn concentrations are …