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本文根据矿层边界内的异常面积和矿层异常总面积之比的基本原理,提出了一个测井条件下计算铀矿石体重(天然产状下的铀矿石密度)的方法。文中还对计算公式中的面积S和S’的计算、各参数的确定和测定的方法以及计算结果的处理方法等,作了较详细的论述。在已知模型上和野外矿区与几种方法的测量结果作了对比,误差很小,如与全巷法的结果对比,误差小于1％,证明该方法是适用于钻探条件下测定铀矿石体重的有效方法。
Based on the basic principle of the ratio of the anomaly area within the boundary of the ore body to the total area of the anomaly of the ore body, a method for calculating the weight of uranium ore (density of uranium ore under natural occurrence) under logging conditions is proposed. In the paper, the calculation of area S and S ’, the method of determining and measuring each parameter and the method of calculating the result are also discussed in detail. Compared with the measured results of several methods on the known model and the field mine, the error is very small. The error is less than 1% as compared with the result of the whole lane method. It proves that the method is suitable for measuring the weight of uranium ore under drilling conditions Effective method.