| 陕西省渭北煤田石炭—二叠系层序地层与聚煤作用研究 |
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| 引用本文： | 李明培,李智学,邵龙义,任海香,董大啸,李静琴.陕西省渭北煤田石炭—二叠系层序地层与聚煤作用研究[J].中国煤炭地质,2011(8):43-48. |
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| 作者姓名： | 李明培 李智学 邵龙义 任海香 董大啸 李静琴 |
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| 作者单位： | 中国矿业大学(北京);陕西省煤田地质局; |
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| 基金项目： | 国土资源大调查(1212010633901); 国家科技重大专项(2011ZX05009-002)项目共同资助 |
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| 摘 要： | 利用钻孔岩心资料及层序地层学的观点,对陕西省渭北煤田石炭—二叠纪煤系地层进行了层序地层学的分析。以奥陶系顶部区域不整合面、太原组最大海泛面的K2灰岩＂1分层＂的顶面、山西组底部的＂北岔沟砂岩＂（K4）底面和下石盒子组底部＂骆驼脖子砂岩＂（K中）底面等界面为层序界限将研究区内含煤地层划分为3个三级层序SQ1、SQ2、SQ3。在层序格架内,对煤层的聚集规律进行研究,结果表明,渭北煤田主要可采煤层3号、10号、11号煤层主要形成于海侵体系域中晚期,4号、5号煤层形成于高位体系域的中晚期。
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| 关 键 词： | 石炭—二叠纪 层序地层 含煤性 聚煤作用 渭北煤田 |
Permo-Carboniferous Sequence Stratigraphy and Coal Accumulation Studies in Weibei Coalfield,Shaanxi Province |
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| Li Mingpei,Li Zhixue,Shao Longyi,Ren Haixiang,Dong Daxiao , Li Jingqin,Beijing ,.Shaanxi Bureau of Coal Geological Exploration,Xian,Shaanxi.Permo-Carboniferous Sequence Stratigraphy and Coal Accumulation Studies in Weibei Coalfield,Shaanxi Province[J].Coal Geology of China,2011(8):43-48. |
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| Authors: | Li Mingpei Li Zhixue Shao Longyi Ren Haixiang Dong Daxiao Li Jingqin Beijing Shaanxi Bureau of Coal Geological Exploration Xian Shaanxi |
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| Institution: | Li Mingpei1,Li Zhixue2,Shao Longyi1,Ren Haixiang2,Dong Daxiao1 and Li Jingqin1(1.China University of Mining and Technology(Beijing),Beijing 100083,2.Shaanxi Bureau of Coal Geological Exploration,Xian,Shaanxi 710054) |
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| Abstract: | Using borehole core data and sequence stratigraphic point of view,carried out Permo-Carboniferous coal measures strata sequence stratigraphic analysis in the Weibei coalfield,Shaanxi Province.Taking the Ordovician System top regional unconformity surface,the top surface of K2 limestone first slice maximum marine flooding surface in the Taiyuan Formation,the bottom surface of the Beichagou sandstone(K4) in the bottom part of the Shanxi Formation as well as the bottom surface of the Luotuobozi sandstone(Km) i... |
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| Keywords: | Permo-Carboniferous Period sequence stratigraphy coal-bearing property coal accumulation Weibei coalfield |
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