Studies of supergenic dispersion, migration and enrichment of mercury and other elements in stratabound ore deposits are of great importance both in theory and in practice. In special reference to the Wanshan mercury ...Studies of supergenic dispersion, migration and enrichment of mercury and other elements in stratabound ore deposits are of great importance both in theory and in practice. In special reference to the Wanshan mercury ore deposit, this paper discussed the mechanism of supergenic migration Of mercury and its associated elements lead,sine, antimony, etc. In this paper the focus of the disoussion is placed on the existing forms of mercury, the rules governing the migration and the enrichment of.mercury and its associated elements in the process of weathering and some aspects of the simulating experiment on weathering of carbonates. Three existing forms of mercury are reeognized in carbonates: cinnabar minerals,isomorphs and inelusions, and ionic forms and adsorbed colloids. The migration of mercury together with its associated elements in the process of weathering follows the sequence : SiO2→Pb→Hg→Sb→Zn. The results of the simulating experiment on weathering of carbonates show that the products of weathering contsin more mercnry and associated elements than the original rocks.展开更多
文摘Studies of supergenic dispersion, migration and enrichment of mercury and other elements in stratabound ore deposits are of great importance both in theory and in practice. In special reference to the Wanshan mercury ore deposit, this paper discussed the mechanism of supergenic migration Of mercury and its associated elements lead,sine, antimony, etc. In this paper the focus of the disoussion is placed on the existing forms of mercury, the rules governing the migration and the enrichment of.mercury and its associated elements in the process of weathering and some aspects of the simulating experiment on weathering of carbonates. Three existing forms of mercury are reeognized in carbonates: cinnabar minerals,isomorphs and inelusions, and ionic forms and adsorbed colloids. The migration of mercury together with its associated elements in the process of weathering follows the sequence : SiO2→Pb→Hg→Sb→Zn. The results of the simulating experiment on weathering of carbonates show that the products of weathering contsin more mercnry and associated elements than the original rocks.