The occurrence,mineralogy and geochemistry of eclogites in the Mt.Dabie area show that they were subjected to a high-pressure metamorphism together with the cou
is paper deals with thallium in typical low-temperature deposits of Au,Tl,As,Sb and Hg in South China with respect to its mode of occurrence,minerals and geoche
The atmospheric concentration of methane is steadily increasin.Lacking of precise estimates of source and sink strengths for the atmospheric methane severely li