| 山西省宁武煤田朔南详查区4号煤层厚度变化控制因素 |
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| 引用本文： | 李尧.山西省宁武煤田朔南详查区4号煤层厚度变化控制因素[J].中国煤田地质,2007,19(1):19-21. |
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| 作者姓名： | 李尧 |
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| 作者单位： | 中国煤炭地质总局一七三勘探队,河北涿州072750 |
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| 摘 要： | 4号煤层赋存于山西组下部，在朔南详查区平均厚度为4．47m，可采系数100％，储量占详查区总储量的20％，而且煤层厚度变化具有一定的规律，因此通过研究4号煤层变化控制因素，分析4号煤层厚度变化的规律性，对充分利用煤炭资源，具有重要意义。
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| 关 键 词： | 煤层厚度 控制因素 沉积环境 4号煤层 宁武煤田 |
| 文章编号： | 1004-9177（2007）01-0019-03 |
| 收稿时间： | 2006-12-30 |
| 修稿时间： | 2006年12月30 |
Controlling Factors of No.4 Coal Seam Thickness in Shuonan Preliminary Exploration Area, Ningwu Coalfield, Shanxi Province |
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| Li Yao.Controlling Factors of No.4 Coal Seam Thickness in Shuonan Preliminary Exploration Area, Ningwu Coalfield, Shanxi Province[J].Coal Geology of China,2007,19(1):19-21. |
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| Authors: | Li Yao |
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| Institution: | No.173 Exploration Team, CNACG, Zhuozhou, Heibei 072750 |
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| Abstract: | The No.4 coal seam is hosted in the lower part of Shanxi Formation. In the Shuonan preliminary exploration area, average thickness of No.4 coal seam is 4.47m, mineable factor 100%, and account for 20% of total coal reserves in the area. Coal seam thickness varying is in possession of certain regularity, to find out its controlling factor and regularity has major significance in coal resource full utilization. |
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| Keywords: | thickness of coal seam controlling factor depositional environment No 4 coal seam Ningwu coalfield |
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