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中国中西部大型湖盆沉积体系域研究进展及页岩油气勘探*
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吴因业1,4, 李国欣2, 吴洛菲3, 徐兆辉1,2,4, 龙国徽1,2, 方向1,4, 付蕾1, 张天舒1, 陶士振1 |
Advances on depositional systems tracts in large lake basins and shale oil and gas exploration in mid-western China
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WU Yinye 1,4, LI Guoxin 2, WU Luofei 3, XU Zhaohui 1,2,4, LONG Guohui 1,2, FANG Xiang 1,4, FU Lei 1, ZHANG Tianshu 1, TAO Shizhen 1
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四川侏罗系大型湖盆的湖侵期薄层沉积砂体特征 A—大套暗色泥岩夹薄层细砂岩和粉砂岩,川东北宣汉七里峡露头剖面凉高山组; B—块状细砂岩显示底部平坦,砂体厚度约3~5 m;人高约1.7 m,川东北宣汉七里峡露头剖面凉高山组; C—底部的重力流底模构造,四川侏罗系葫芦露头剖面; D—块状细砂岩显示底部平坦, 下伏泥岩呈现暗色,四川侏罗系葫芦露头剖面 |
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