| CONTRAST STUDY OF OIL AND GAS EXPLORATION POTENTIAL FOR QIANGTANG, CHANGDOU AND WEST YUNNAN BASIN DURING JURASSIC |
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| 作者姓名： | Wang Dingyi[WT ”BX] |
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| 作者单位： | Department of Geology，Northwest University，Xi'an 710069，China |
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| 摘 要： | CONTRAST STUDY OF OIL AND GAS EXPLORATION POTENTIAL FOR QIANGTANG, CHANGDOU AND WEST YUNNAN BASIN DURING JURASSIC
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CONTRAST STUDY OF OIL AND GAS EXPLORATION POTENTIAL FOR QIANGTANG, CHANGDOU AND WEST YUNNAN BASIN DURING JURASSIC |
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| Abstract: | Qiangtang basin The north margin of the Qiangtang Basin, which located at the north Tibet region,is Lazhulong\|Xijinwulan (also named Jinshajiang River) suture zone (connect zone), and the south margin is Bangong Lake—Dingqing (Nujiang River) suture zone (connect zone). The West End of the basin is gradually convergent at the West Side from Duoma about 80°meridian, and the East End may reach Muta area at about 95°meridian. According to the Jurassic strata development, the basin could be divided into three parts such the north Qiangtang depression, the Central uplift and the south Qiangtang depression as the first\|order tectonic unit. The direction of marine transgression is from the south of the basin to the north. The Jurassic strata of the basin are mainly marine sediments. The hydrocarbon source rocks occurred in Buqu Formation of the middle Jurassic and Suowa Formation of the upper Jurassic are of important potential for oil & gas exploration, and the hydrocarbon source rock in Quse Formation of the lower Jurassic for this is secondary due to localized distribution in the basin. |
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| Keywords: | Qiangtang basin Changdou basin West Yunnan basin jurassic hydrocarbon exploration potential contrast study |
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