| 下扬子地区早寒武系成气地质条件分析 |
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| 引用本文： | 刘章平,许卫,王俊涛,汪应庚,周存亭.下扬子地区早寒武系成气地质条件分析[J].安徽地质,2015(2):111-114,118. |
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| 作者姓名： | 刘章平 许卫 王俊涛 汪应庚 周存亭 |
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| 作者单位： | 1. 安徽省地质矿产勘查局332地质队,安徽黄山,245000;2. 安徽省地质矿产勘查局,安徽合肥,230001;3. 安徽省地质调查院,安徽合肥,230001 |
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| 摘 要： | 下扬子地区的早寒武系荷塘组,以发育厚层的黑色页岩为特征,其沉积中心位于安徽石台-宁国一带,总体属于深海盆地相沉积,少量属于浅水陆棚一陆棚边缘相沉积,岩性岩相稳定。干酪根显微组分中以腐泥组为主,荷塘组黑色页岩有机碳含量较高,TOC值约为0.15%~14.2%,Ro值在1.27~5.2之间,认为荷塘组的泥页岩是优质烃源岩。
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| 关 键 词： | 早寒武系荷塘组 页岩气 下扬子地区 |
Analysis of geological conditions of gas formation in the lower Yangtze area in early Cambrian |
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| LIU Zhang-ping,XU Wei,WANG Jun-tao,WANG Ying-geng,ZHOU Cun-ting.Analysis of geological conditions of gas formation in the lower Yangtze area in early Cambrian[J].Geology of Anhui,2015(2):111-114,118. |
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| Authors: | LIU Zhang-ping XU Wei WANG Jun-tao WANG Ying-geng ZHOU Cun-ting |
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| Institution: | LIU Zhang-ping;XU Wei;WANG Jun-tao;WANG Ying-geng;ZHOU Cun-ting;No.332 Unit of Bureau of Geology and Mineral Exploration of Anhui Province;Bureau of Geology and Mineral Exploration of Anhui Province;Institute of Geological Survey of Anhui Province; |
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| Abstract: | The early Cambrian Hetang Formation in the lower Yangtze area is characterized by the development of thick black shale with the depositional center being around the Shitai-Ningguo area, which belongs to deep-sea basin deposit as a whole and a small amount to shallow-water shelf-shelf margin deposit of stable lithology and lithofacies. Kerogen mainly consists of microscopic components of sapropel and the Hetang Formation of black shale has high content of organic carbon, with TOC value being 0.15%~14.2%, Ro 1.27~5.2. The Hetang Formation of mud shale is thought to be quality source rock. |
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| Keywords: | early Cambrian Hetang Formation shale gas lower Yangtze area |
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