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一、前言 荡坪钨矿九龙脑矿区是以原生云英岩石英细脉带型黑钨为主的岩浆期后气化一高温热液矿床。岩矿鉴定表明,本矿石主金属矿物黑钨矿呈中细粒而以细粒为主的不均匀浸染。同时基本不含容易影响试样代表性的贵金属。但据地质报告以及对该矿区取样加工等物料制备时所采用最小试样量公式(Q=Kd~2)的系数K值均取0.7。此值与许多有关文献相比[1、2、3、4、)显然偏高。不仅物料加工量大,同时也受小型试验设备和和试验条件的限制。
I. Preface The Pinglong Tungsten Mine Jiulongnao Mining Area is a magmatic high-temperature hydrothermal deposit after the magmatic period dominated by quartz veins of quartz veins. Identification of rock and mine shows that the main mineral ore wolframite in the fine-grained and mainly non-uniform disseminated fine. At the same time, it basically does not contain any precious metal that easily influences the representativeness of the sample. However, according to the geological report and the minimum sampling volume formula (Q = Kd ~ 2) used in the sampling and processing of the mining area, the coefficient K value should take 0.7. This value is obviously higher than many related literatures [1,2,3,4]. Not only material processing large, but also by the small test equipment and test conditions.