Controlled Mine In Guizhou Qinglong County Pu Ching Antimony Deposits Factor Analysis And Geochemical Prospecting Method Of Application

This thesis has been fluently finished under the sponsore of the central finance' s subject for the local items of mine perambulation: The General Investigation for the Western Puqing Antimony—gold deposit of Dachang Antimony Mine ore-field in Qinglong Country,Guizhou.The thesis is based on the studies of the geological background for the formed mine and analyzes the relationship between the mine' s forming and the elements, which determine the mine, such as the stratum of deposit, lithology, magma' s activity, function of constitution, and the physiognomy of the ancient dissolved-rock. It also sums up the achievements for the ore-forming of the deposit: (1) the stratum of Dachang is the first resourceful stratum for the mine, and it is the main stratum of antimony mine; (2) the body of mine has its obvious selectivity for lithology, as it is mainly located in the eroded clay or in the argillite (quartzite); (3)the exhibit of two strips of territorially deep rupture for the controlling of the mine' s forming; moreover, both anticline and syncline at Qinglong field indicate that the geological constitution is class two, and the constitution of third class in both nearly north-south and east-west directions controls the output of the deposit. (4) the eroded change of wall rock, such as changing to silicon, lithification of clay, changing to breccia, etc. is the mark for looking for mine. (5)the ancient constitution that is call "the deposit of Dachang stratum" provides the ancient geological environment, making the shaping of Dachang basin, and it also provides both the material source and the sites for the forming of the deposit. (6)the breaking forth of the magma of basalt in Emei Mountain offers the heat power, the part of mine-forming liquid and the mine-forming materials for the shaping of Dachang deposit. (7)the forming of the mine mainly happened in the condition of middle or low temperature, and the hot halogen in the basin also plays a role. (8)the matter of the deposit has single constitution, and the useful minerals are zinkenite and associated gold. (9) enclosing four target areas for our forecast by the use of the method of geochemistry.Generally speaking, the deposit is strictly controlled by stratum, constitution (drape). The existing shape of mine' s body is basically conform to the shape of stratum, and the deposit should belong to the typical antimony deposit, which is stratum-controlled lava.