| 应用特征参数GU、FU、B处理区域伽玛能谱资料的效果初探 |
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| 引用本文： | 张云宜.应用特征参数GU、FU、B处理区域伽玛能谱资料的效果初探[J].铀矿地质,1986(4). |
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| 作者姓名： | 张云宜 |
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| 摘 要： | 从U、Th元素的地球化学特性出发,探讨了利用“古铀丰度”(Gu)、“活化铀”(Fu)和“相对变迂系数”(B)等特征参数处理区域伽玛能谱测量资料的可能性和实际应用效果。文中阐述了选用的能谱特征参数的理论基础及地球化学意义。同时,利用这些特征参数对成矿带上所作的区域地面伽玛能谱测量资料进行了处理。结果表明,利用这些参数在确定区域铀源体、研究该区铀元素活化运移和沉积富集规律、探讨该区控制铀矿化形成的主要地质因素以及预测区内铀矿找矿远景地段等方面都取得了较满意的效果,是一种值得进一步探索和完善的伽玛能谱资料处理方法。
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| 关 键 词： | 伽玛能谱测量 能谱特征参数 古铀丰度 活化铀 相对变迁系数 |
THE PRIMARY RESULTS OF USING THE CHARACTERISTIC PARAMETERS GU, FU, B TO PROCESS THE REGIONAL DATA OF GAMMA-RAY SPECTROMETRY |
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| Zhang Yunyi.THE PRIMARY RESULTS OF USING THE CHARACTERISTIC PARAMETERS GU, FU, B TO PROCESS THE REGIONAL DATA OF GAMMA-RAY SPECTROMETRY[J].Uranium Geology,1986(4). |
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| Authors: | Zhang Yunyi |
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| Institution: | Zhang Yunyi |
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| Abstract: | Based on the geochemical property of U and Th, the possibility to process the data of regional gamma-ray spectrometry and its practical application have been studied by means of the characteristic parameters of "paleo-uranium abundance" , "activated uranium", "relative migration coefficient" , and etc.. This paper describes the basic theory and the geochemical meaning of the selected spectral characteristic parameters. In addition, these characteristic parameters have been used to process the regional data of ground gamma-ray spectrometry in some mineralized area. The results of using these parameters are quite satisfactory in defining the regional U source, studying the law of mobilization and sedimentary concentration of U in this region, researching the main geological factor of controlling the forming of U mineralization in this region and locating the more favourable zones for uranium in the potential area. This method of processing the gamma-ray spectral data needs researching and perfecting further. |
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| Keywords: | Gamma-ray spectrometry Spectral characteristic parameter Faleo-uranium abundance Activated uranium Relative migration coefficient |
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