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Abnormity Features of Obvious Natural Gamma in Ordos Basin
Author(s): 
Pages: 82-86
Year: Issue:  3
Journal: JOURNAL OF EARTH SCIENCES AND ENVIRONMENT

Keyword:  鄂尔多斯盆地高自然伽马异常特征数据分析盆地演化;
Abstract: 为了加深对盆地深部和浅部高自然伽马异常特征综合分析研究,揭示高自然伽马异常地质成因,从而促进盆地多种能源矿产协同开发研究,针对收集大量的地球物理测井资料、地质资料及其他相关成果,绘制并分析了相关成果图.研究中遵循从单孔测井曲线特征分析到典型剖面研究,并按层对高自然伽马的平面分布特征进行分析研究.化验测试结果和自然伽马能谱测井成果研究表明,在本区,自然伽马异常增大主要是由于铀的活化和聚集,导致铀元素增加而引起.相关研究表明,盆地深部和浅部的铀异常具有一定的关系,盆地历经的沉积环境变迁是铀元素富集的主导因素.
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