Modern Mining ›› 2024, Vol. 40 ›› Issue (03): 38-43.
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Pingli county of Shaanxi provice is located in the early Paleozoic iron-vanadium-barite-py⁃ rite-stone-coal metallogenic subzone of the Beibashan Rift zone，which is rich in barite resources，but lacks systematic research on the controlling factors of barite mineralization. In order to further study the regularity of barite mineralization in this area，the geological characteristics of the mining area and the deposit are stud⁃ ied，and the geological structure location of the anomaly value of Ba element is defined by 1∶50 000 stream sediment survey. Zircon U-Pb isotope dating was used to determine the intrusive rock age of the strata where the deposit is located. The source of ore-forming materials was analyzed by thin section identification. In the field exploration，a barite ore body with an average grade of 91.36% has been delineated through the explora⁃ tion trough.The results show that the barite deposits in this area are subject to strict stratigraphic constraints， and the Lujiaping Formation of the Upper Sinian-Lower Cambrian Series can be used as an important hori⁃ zon for barite prospecting. The ore bodies are sedimentary striated and belong to the submarine jet hot water sedimentary barite deposit，which provides an important basis for subsequent mineral investigation.
