| Tectonic Evolution and Petroleum Systems in the Junggar Basin |
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| 作者姓名： | WANG Weifeng and CHEN Yequan Earth's Resources and Information College University of Petroleum Dongying Shandong Graduate School Chinese Academy of Sciences Beijing Institute of Geochemistry Chinese Academy of Sciences Guiyang Guizhou |
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| 作者单位： | WANG Weifeng and CHEN Yequan Earth's Resources and Information College，University of Petroleum，Dongying，Shandong 257061 Graduate School，Chinese Academy of Sciences，Beijing 100029; Institute of Geochemistry，Chinese Academy of Sciences，Guiyang，Guizhou 550002 |
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| 摘 要： | The Junggar basin is located in the northern part of Xinjiang of China. It is part of the Kazakstan plate, surrounded by the Paleozoic folded mountains: the Halaart, Zayier and Chepaizi Mountains in the northwest, the Qingelidi and Karamaili Mountains in the northeast, and the Tianshan Mountains in the south. In different evolution stages, the basin's types are different, and the stratigraphy and deposition are also different. From the Carboniferous to Tertiary the basin has in turn gone through rift basin, collision foreland basin, intraplate depression basin and regenerated foreland basin. Based on an analysis of thermal evolution history and buried history of the source rocks, three major periods of oil generation are found in the basin. According to the characteristics of source rock distribution, evolution, oil-source correlation, structure and multi-phase and mixed pools, the Junggar basin could be divided into 4 composite petroleum systems. Due to the variation in sedimentary facies, difference in
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| 关 键 词： | 准葛尔盆地 构造运动 岩芯 石油系统 |
Tectonic Evolution and Petroleum Systems in the Junggar Basin |
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| Authors: | WANG Weifeng and CHEN Yequan Earth's Resources and Information College University of Petroleum Dongying Shandong Graduate School Chinese Academy of Sciences Beijing |
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| Institution: | WANG Weifeng and CHEN Yequan Earth's Resources and Information College,University of Petroleum,Dongying,Shandong Graduate School,Chinese Academy of Sciences,Beijing,Institute of Geochemistry,Chinese Academy of Sciences,Guiyang,Guizhou |
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| Abstract: | The Junggar basin is located in the northern part of Xinjiang of China. It is part of the Kazakstan plate, surrounded by the Paleozoic folded mountains: the Halaart, Zayier and Chepaizi Mountains in the northwest, the Qingelidi and Karamaili Mountains in the northeast, and the Tianshan Mountains in the south. In different evolution stages, the basin's types are different, and the stratigraphy and deposition are also different. From the Carboniferous to Tertiary the basin has in turn gone through rift basin, collision foreland basin, intraplate depression basin and regenerated foreland basin. Based on an analysis of thermal evolution history and buried history of the source rocks, three major periods of oil generation are found in the basin. According to the characteristics of source rock distribution, evolution, oil-source correlation, structure and multi-phase and mixed pools, the Junggar basin could be divided into 4 composite petroleum systems. Due to the variation in sedimentary facies, difference in structural patterns and development histories, the petroleum pool-forming conditions in different areas and horizons are greatly different, so are the petroleum pool types, the accumulation mechanisms in different areas and horizons. |
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| Keywords: | Junggar prototype foreland basin source rock petroleum system |
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