| 塔里木盆地巴楚地区二叠纪以来构造应力场解析 |
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| 引用本文： | 李乐,侯贵廷,潘文庆,琚岩,张庆莲,舒武林,肖芳锋,鞠玮.塔里木盆地巴楚地区二叠纪以来构造应力场解析[J].地质力学学报,2011,17(3):262-273. |
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| 作者姓名： | 李乐 侯贵廷 潘文庆 琚岩 张庆莲 舒武林 肖芳锋 鞠玮 |
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| 作者单位： | 1.北京大学地球与空间科学学院，北京 100871 |
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| 基金项目： | 国家自然科学基金项目(编号:40772121); 塔里木油田资助 |
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| 摘 要： | 通过构造地质演化分析, 将塔里木盆地西北部巴楚地区二叠纪以来具有较强构造变形的构造应力场分为3期:晚古生代二叠纪末、中生代三叠纪—古近纪和新生代新近纪以来。通过对巴楚地区岩墙、节理、擦痕、褶皱与断层等应力感构造的测量分析, 对各时代地层中应力感构造的发育特征进行对比与分期总结, 同时对节理等进行分期配套, 发现巴楚地区二叠纪末最大主压应力方向为北西向, 与中天山岛弧和塔里木板块的斜向碰撞有关; 三叠纪—古近纪为北北东向, 可能与侏罗纪塔里木盆地的顺时针旋转受到抑制有关; 新近纪以来由于印度板块与欧亚板块相互碰撞, 巴楚地区最大主压应力方向为南北向。利用二维有限元方法对巴楚地区新近纪构造应力场进行了数值模拟, 模拟结果与实际情况拟合较好。
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| 关 键 词： | 塔里木盆地 巴楚地区 构造应力场 最大主压应力 |
| 收稿时间： | 2011/3/22 0:00:00 |
STUDY ON STRUCTURAL STRESS FIELDS SINCE PERMIAN, BACHU AREA, TARIM BASIN |
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| LI Le,HOU Gui-ting,PAN Wen-qing,JU Yan,ZHANG Qing-lian,SHU Wu-lin,XIAO Fang-feng and JU Wei.STUDY ON STRUCTURAL STRESS FIELDS SINCE PERMIAN, BACHU AREA, TARIM BASIN[J].Journal of Geomechanics,2011,17(3):262-273. |
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| Authors: | LI Le HOU Gui-ting PAN Wen-qing JU Yan ZHANG Qing-lian SHU Wu-lin XIAO Fang-feng and JU Wei |
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| Institution: | 1.School of Earth and Space Science, Peking University, Beijing 100871, China2.The Key Laboratory of Orogenic Belts and Crustal Evolution, Ministry of Education, Beijing 100871, China3.Institute of Oil and Gas Research, Peking University, Beijing 1008714.Institute of Exploration and Development, Tarim Oil and Gas Branch Company, Korla 841000, Xinjiang, China |
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| Abstract: | Three periods of structural stress fields can be recognized since Permian in northwest of Tarim Basin and adjacent areas based on structural evolution analysis,which is the end of Permian,the Triassic to paleogene and Neogene.Based on the research of stress-response structures of dykes,joints,slickensides,folds and faults,and analysis of the comparison characters of field of stress,it is found that the direction of the maximum principal stress formed by the collision of middle Tianshan island arc and Tarim ... |
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| Keywords: | Tarim Basin Bachu area structural stress fields maximum principal stress |
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