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安徽省煤田构造与构造控煤作用研究

Coalfield Structures and Tectonic Coal-controlling of Anhui Province

【作者】 张继坤

【导师】 曹代勇;

【作者基本信息】 中国矿业大学(北京) , 矿产普查与勘探, 2011, 博士

【摘要】 论文主要以地球动力学理论为指导,以构造控煤作用研究为核心,通过现场实践调查和室内研究分析相结合,运用多种煤田构造研究方法,针对已有资料进行深入挖掘和系统总结,总结构造之于煤系形成、形变与赋存全过程的控制作用。基于区域构造格局以及煤田构造特征,综合大地构造单元与赋煤单元,建立起安徽省赋煤构造单元划分方案;运用构造—岩相分析方法、沉降史反演技术、平衡剖面技术和古构造应力场分析技术,恢复安徽省煤盆地成盆与演化过程;基于煤系赋存的构造控制作刚与差异性的系统总结,以地球动力学成因为依据建立安徽省控煤构造样式的分类方案。综上研究,针对两淮煤田煤矿床建立起赋存状况分区方案,并总结与之配套的勘查策略,实现以构造控煤作用指导煤田地质勘查工作。

【Abstract】 Making the geodynamics theory as the guidance and the tectonic coal-controlling as the research core, and through the combination of field investigation and laboratory study, the paper uses various research methods of coalfield structures to carry deep research and systematic summarization on the data available, and summarize the control effect of the tectonism on the whole process of formation, deformation and occurrence of the coal measures. Based on the regional tectonic framework and coalfield structural characteristics, and combining the geotectonic units and coal occurrence units, the division scheme of coal occurrence tectonic units of Anhui province is established; Applicating the tectonic-lithofacies analysis method, subsidence history inversion technique, balanced cross section technique and paleo-tectonic stress field analysis, the formation and evolution process of the coal basins of Anhui province are recovered; Based on the systematicsummarization of the tectonic controlling effect and their defferences of the coal measures occurrence, the classification scheme of coal-controlling structural styles of Anhui province is established according to the geodynamic causes. Integrating the research above, the paper establishes the occurrence state division of the coal deposit of Huaibei and Huainan coalfield, summarizes the accompanying exploration strategies and implemente the guidance of the tectonic coal-controlling to the coalfield geological exploration.

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