| 鄂尔多斯盆地马家沟组碳酸盐岩有机质特征及烃源岩研究 |
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| 引用本文： | 朱创业,张寿庭.鄂尔多斯盆地马家沟组碳酸盐岩有机质特征及烃源岩研究[J].成都理工大学学报(自然科学版),1999,26(3):5. |
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| 作者姓名： | 朱创业 张寿庭 |
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| 作者单位： | 成都理工学院地质学系,成都,610059 |
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| 基金项目： | 国家“九五”重点科技攻关项目(96-110-01-01-05) |
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| 摘 要： | 鄂尔多斯盆地下奥陶统马家沟组碳酸盐岩分布广，但有机质丰度较低，且成熟度高。通过对马家沟组碳酸盐岩中的有机质丰度、类型及成熟度在三维空间分布特征的研究，指出盆地中部马五段、马三段蒸发台地相碳酸盐岩为较好的烃源岩，盆地内其余地区和层位的碳酸盐岩为较差的烃源岩。烃源岩的分布受碳酸盐岩沉积相和盆地基底构造所控制。
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| 关 键 词： | 碳酸盐岩 有机质丰度 有机质类型 有机质成熟度 烃源岩 鄂尔多斯盆地 |
| 修稿时间： | 1999-01-14 |
A STUDY OF THE CHARACTERISTICS OF THE ORGANIC MATTER IN CARBONATE ROCKS AND SOURCE ROCKS IN THE LOWER ORDOVICIAN MAJIAGOU FORMATION OF ORDOS BASIN |
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| Zhu Chuangye,Zhang Shouting.A STUDY OF THE CHARACTERISTICS OF THE ORGANIC MATTER IN CARBONATE ROCKS AND SOURCE ROCKS IN THE LOWER ORDOVICIAN MAJIAGOU FORMATION OF ORDOS BASIN[J].Journal of Chengdu University of Technology: Sci & Technol Ed,1999,26(3):5. |
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| Authors: | Zhu Chuangye Zhang Shouting |
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| Abstract: | The carbonate rocks in the Lower Ordovician Majiagou Formation of Ordos Basin are widely distributed , but their organic matter content is low and maturation high. Based on the analyses of the three dimensional distribution of organic matter abundance, organic matter type and organic matter maturation, the paper points out that the carbonate rocks of evaporite platform facies of O 1 m 5 and O 1 m 3 Member in the middle part of the basin are better source rocks. The other carbonate rocks in the Majiagou Formation are poorer source rocks. The distribution of source rocks are controlled by the sedimentary facies of the Majiagou Formation and the basement tectonics of the basin. |
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| Keywords: | carbonate rocks organic matter abundance organic matter type organic matter maturation source rocks |
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