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- Title
松辽盆地南部海力锦铀矿床镭氡平衡系数 计算方法研究.
- Authors
苏晓波; 李继木; 宁君; 王常东; 王甲; 臧亚辉; 黄笑
- Abstract
Radium radon equilibrium coefficient is an important parameter for in-situ leachable sandstone type uranium resources estimation. Whether the radium radon equilibrium coefficient be calculated correctly or not will directly affects the accuracy of the estimation results of uranium deposit resources. At present exploration practice, the radium radon equilibrium coefficient is mainly determined by the comparison between the interpretation result of gamma logging, drilling geophysical parameter measurement and sample assay. The drilling geophysical parameter method can be divided into initial observation data ratio method and curve fitting method. In this paper, the radium radon equilibrium coefficients of uranium ore in different horizons of Yaojia formation in Hailijin area were studied. The equilibrium coefficients were calculated by the two method and the result was evaluated. The two methods were found very important in the calculation of radium radon equilibrium coefficient of sandstone type uranium deposit and can be verified each other. After analyzing the geophysical parameters, the result of radium radon equilibrium coefficient calculated by drilling geophysical parameter method was closer than that calculated by gamma logging interpretation to the sample analysis. For the two calculation methods of drilling geophysical parameter measurement ,the result of curve fitting method is closer to the recovery rate of radon, which can avoid the inaccurate calculation results caused by observation value error or radon not reaching balance,so the results are more reasonable.
- Subjects
URANIUM mining; URANIUM ores; CURVE fitting; RADIUM; URANIUM; RADON
- Publication
World Nuclear Geoscience, 2023, Vol 40, Issue 3, p805
- ISSN
1672-0636
- Publication type
Article
- DOI
10.3969/j.issn.1672-0636.2023.03.011