摘要
The large-scale Shiti barite deposit of Shaanxi,being stratiform or stratoid in form,occurs in an early Paleozoic large witherite-barite metallogenic belt of southern Qinling region(China).The ore deposit,hosted in Lower Silurian Daguiping Formation,is composed of a series of carbonaceous chert,carbonaceous slate and carbonaceous sandstone,and is characterized by persistent syn-sedimentary ore beds.Barite,w itherite.barytocalcite and barite-witherite constitute the major ore minerals,with barite being the main one.
基金
the National Natural Science Foundation of China(Grant 41730426,41573036)
by the Records of China's mineral Geology from China Geological Survey(DD20190379-87)
by the 111 Project of the Ministry of Science and Technology(BP0719021)
by the Special Fund for Fundamental Research Operations of Central Universities(2652018162).