华南陆缘中生界烃源岩条件评价

张莉, 耿安松, 王嘹亮, 廖玉宏, 徐国强, 韦振权

张莉, 耿安松, 王嘹亮, 廖玉宏, 徐国强, 韦振权. 华南陆缘中生界烃源岩条件评价[J]. 海洋地质与第四纪地质, 2012, 32(1): 99-108. DOI: 10.3724/SP.J.1140.2012.01099
引用本文: 张莉, 耿安松, 王嘹亮, 廖玉宏, 徐国强, 韦振权. 华南陆缘中生界烃源岩条件评价[J]. 海洋地质与第四纪地质, 2012, 32(1): 99-108. DOI: 10.3724/SP.J.1140.2012.01099
ZHANG Li, GENG Ansong, WANG Liaoliang, LIAO Yuhong, XU Guoqiang, WEI Zhenquan. ASSESSMENT OF MESOZOIC SOURCE ROCKS AT THE MARGIN OF SOUTH CHINA CONTINENT[J]. Marine Geology & Quaternary Geology, 2012, 32(1): 99-108. DOI: 10.3724/SP.J.1140.2012.01099
Citation: ZHANG Li, GENG Ansong, WANG Liaoliang, LIAO Yuhong, XU Guoqiang, WEI Zhenquan. ASSESSMENT OF MESOZOIC SOURCE ROCKS AT THE MARGIN OF SOUTH CHINA CONTINENT[J]. Marine Geology & Quaternary Geology, 2012, 32(1): 99-108. DOI: 10.3724/SP.J.1140.2012.01099

华南陆缘中生界烃源岩条件评价

基金项目: 

全国油气资源战略选区调查与评价专项(XQ-2007-03)

详细信息
    作者简介:

    张莉(1965-),女,博士,教授级高级工程师,主要从事海洋油气地质调查与研究,E-mail:zhangli20cn@21cn.com

  • 中图分类号: P744.4

ASSESSMENT OF MESOZOIC SOURCE ROCKS AT THE MARGIN OF SOUTH CHINA CONTINENT

  • 摘要: 华南陆缘出露的上三叠统-白垩系,累计厚度超过10 000 m,露头调查未见油苗,烃源岩主要为泥岩、碳质泥岩和煤线,有机质类型以Ⅱ-Ⅲ型为主。上三叠统小水组,发育较深水的海相、Ⅱ型良好烃源岩,TOC为1.17%~5.43%;下侏罗统桥源组发育海陆过渡环境的Ⅲ型良好烃源岩,TOC为1.36%~10.37%;下侏罗统其他层系(金鸡组、银瓶山组、上龙水组、长埔组、吉水门组)发育浅海-半深海相的中等-好的烃源岩,TOC为0.5%~1.76%。烃源岩均已处于成熟-过成熟阶段。小水组、蓝塘群烃源岩品质良好,厚度巨大,在南海北部海域开展中生界烃源岩研究时,值得重点关注是否有与之相当的烃源岩层系发育。
    Abstract: The total thickness of the Upper Triassic and Cretaceous are over 10000 meters around the margin of South China continent. No oil seepage has been discovered so far on outcrops. The source rocks are mainly composed of mudstones, carbonaceous mudstones and coal seams. The organic matter is of typeⅡ-Ⅲ. High quality source rocks, which contain 1.17%~5.43% of TOC, have been found in the deep marine deposits of the Xiaoshui Formation of Upper Triassic. The Bianqiaoyuan Formation of Lower Jurassic is a transitional facies, where source rocks have been found with 1.36%~10.37% of TOC. In other Formations of Lower Jurassic there are rocks of neritic -bathyal marine facies with 0.5%~1.76% of TOC. The source rocks are now matured or over matured. Among them, the source rocks in the Xiaoshui Formation and Lantang Group are the best with regard to the high TOC and big thickness. In addition to the Mesozoic source rocks in Northern South China Sea, the source rocks around the margin of South China must be taken into account.
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出版历程
  • 收稿日期:  2011-09-12
  • 修回日期:  2011-12-14

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