Barite Deposit Geological Feature And Comprehensive Utilization Research In Tianzhu Guizhou

Tianzhu Dahebian barite deposit of Guizhou province is located in the southeastern of the Yangtze block and the south of the Yichang--Tuyun fault belt. Through literature review, field reconnaissance, the microscopic observation, laboratory analysis and other means, this paper has a research on the geological characteristics of the Tianzhu Dahebian barite deposit, discuss the sedimentary environment, metallogenic material source and genesis of the deposit. Through enterprises interview, analysis for status, experiences summarizing and problem analyzing, this paper has a discussion on the pattern of circular economy in barite industry. The results obtained are shown as follows:1. Tianzhu Dahebian barite deposit hosts in Sinian-Cambrian old castle group, mostly are silllike or stratoid. Ore and rock occurrence is consistent, The overall trend is to the northeast of45°, tendency to north west,25°to45°inclination.2. The sedimentary structures of Tianzhu Dahebian barite deposit from the bottom to the up are vein structure, column structure, pie structure,massive structure, lenticular structure, tubercular structure, horizontally-laminated structure, the sedimentary sequence is a typical hot water jet flow deposits structural sequence. Ore texture is mainly crystal grain texture, allotype-hypautomorphic crystal, the main structures are radial inequigranular crystalloblastic structure, columnar structure, occasionally able to see metasomatic texture.3. The main mineral of ore bodies is barite and carbonaceous, the main mineral of the direct roof is quartz, calcite, Sanidine and phlogopite, the main mineral of direct plate is quartz, barite, ankerite and phlogopite. The ratio of n (Si)/n (Si+Al+Fe) indicates the source of material is respond to biological sedimentary; in the Co/Zn-(Cu+Co+Ni) correlation map projection point fall in hydrothermal crustal region, MgO is enriched in siliceous rocks, indicates that the formation of barite was related to hydrothermal activity; the ratio of n (SiO2)/n (Al2O3) indicates that the formation of ore is associated with hydrothermal activity and biological activity; the ratio of Al/(Al+Fe+Mn) reflects the sources of sedimentary material is arrected by the common effect of terrigenous, biological and hydrothermal activity; therefore have the conclusion that the barite is formed by the influention of the terrigenous, biological and hydrothermal process. The ratio of n (Al2O3)/n (Al2O3+Fe2O3) indicates that the Sedimentary environment is pelagic and continental margin sediment environment, the ratio of n (V)/n (V+Ni) indicates the environment of the formation is Jinghai environment, so have the conclusion that the rocks formed in the continental margin of Jinghai environment.4. Through the adjustment of industrial structure, the optimization of the industrial structure, industry cluster development, research and development of new products and technology, resource utilization and energy conservation and other measures, finally to build a model of recycling economy development which is resource-saving and environment-friendly.