Mineralization of the tungsten deposits in the eastern part of the Qinzhou-Hangzhou metallogenic belt in Jiangxi and Hunan

The Qinzhou-Hangzhou metallogenic belt is an important metallogenic belt in China. In recent years, much attention has been given to the Qinzhou-Hangzhou metallogenic belt for the discovery of two world-class Zhuxi and Dahutang tungsten deposits. The combination of the existing data and latest results of research, the present paper focuses on the mineralization in the eastern part of the Qinzhou-Hangzhou metallogenic belt. The tungsten deposits in the study area may be classified into five types:quartz vein type, contact metasomatic type, altered granite (greisen) type, porphyry type and composite type. These tungsten deposits are characterized by the distribution of ore district-ore belt-ore field patterns. The diagenesis-mineralization ages are assigned primarily to the Yanshanian (120 to 162 Ma) and subordinately to the Indosinian (ca. 225 Ma). The tungsten mineralization has the affinity to the crust-derived remelted (S-type) granitic magmas, and also to the I-type granitic magmas, and the element tungsten is derived mainly from the magmatic rocks and basement strata composed of the marine volcanic-sedimentary formations. The eastern part of the Qinzhou-Hangzhou metallogenic belt is interpreted to have the great potential of the exploration of the tungsten deposits.