封面
声明
致谢
中文摘要
英文摘要
目录
1 前言
1.1选题依据及意义(Research Foundation and Significance)
1.2研究现状及存在问题(Research Acuality and Existed Problems)
1.3研究内容(Research Content)
1.4研究思路及方法(Research Route and Methods)
1.5完成工作量(Workload Accomplished)
2 区域地质概况
2.1研究区位置(Position of Research Area)
2.2地层特征(Stratigraphic Characteristics)
2.3 内蒙古造山带的构造特征及其沉积期岩浆活动(Structure Characteristics and Magmatic Activity of Inner Mongolia Orogenic Belt)
2.4 研究区晚古生代构造沉积演化( Tectonic Sedimentary Evolution of Upper Paleozoic in The Northeastern Ordos Basin)
3 自然伽马高异常层沉积特征及其分布
3.1 本溪组~山西组沉积相特征及展布( Characteristics and Distribution of Sedimentary Facies from Benxi to Shanxi Formation)
3.2 自然伽马异常层的识别及对比( The Identification and Correlation of High Natural Gamma Anomaly)
3.3自然伽马高异常层的岩石学特征(Petrological Characteristics of High Natural Gamma Anomaly)
3.4自然伽马高异常的分布特征(Distribution Characteristics of High Natural Gamma Anomaly)
3.5小结(Brief Summary)
4 自然伽马高异常的成因分析
4.1 沉积期火山活动为放射性元素富集提供物质来源(Source of Radioactive Elements Supplied by Volcanic Activity during Sedimentary Period)
4.2 沉积环境对放射性元素迁移和富集的控制作用(The Sedimentary Environment’s Control over Migration and Enrichment of The Radioactive Elements)
4.3古气候对放射性元素富集的影响(Effect of Paleoclimate on Enrichment of The Radioactive Elements)
4.4自然伽马高异常的形成机制(The Formation Mechanism of High Natural Gamma Anomaly)
4.5小结(Brief Summary)
5 自然伽马高异常的地质意义
5.1对烃源岩演化具一定的催化作用(Impact on Source Rocks’ Evolvement)
5.2 可作为地层划分与对比的等时性标志层(Isochronal Marker Bed Applied to Division and Correlations of The Strata)
5.3小结(Brief Summary)
6 结论和认识
参考文献
作者简历
学位论文数据集