New Discovery of Selenides in the Shiti Barite Deposit, Dabashan Region and its Geological Significances  

作　　者：LIU Jiajun DAI Hongzhang ZHAI Degao Emmanuel JMCARRANZA YUAN Feng 

机构地区：[1]State Key Laboratory of Geological Processes and Mineral Resources,China University of Geosciences,Beijing 100083,China [2]MNR Key Laboratory of Metallogeny and Mineral Resource Assessment,Institute of Mineral Resources,CAGS,Beijing 100037,China [3]Geological Sciences,School of Agricultural,Earth and Environmental Sciences,University of KwaZulu Natal,Durban 4000,Republic of South Africa

出　　处：《Acta Geologica Sinica(English Edition)》2020年第2期558-560,共3页地质学报（英文版）

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).

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.

关 键 词：SANDSTONE DEPOSIT SILURIAN 

分 类 号：P619.251[天文地球—矿床学]