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| 胶东东部中生代走滑逆冲构造带的超微构造研究 | |
| 引用本文： | 张宏远,侯泉林 曹代勇.胶东东部中生代走滑逆冲构造带的超微构造研究[J].中国地质,2005,32(4):571-578. |
| 作者姓名： | 张宏远 侯泉林 曹代勇 |
| 作者单位： | 1. 中国地质科学院地质研究所,北京,100037;中国地质大学地质过程与矿产资源国家重点实验室,北京,100083 2. 中国科学院研究生院,北京,100039 3. 中国矿业大学煤炭资源教育部重点实验室,北京,100083 |
| 基金项目： | 国家自然科学基金重点项目（40234050）和中国科学院知识创新项目（KZCX1-07）资助. |
| 摘 要： | 胶东东部区域上处于秦岭-大别-苏鲁造山带的东端,是中生代的走滑逆冲构造带.进行超微构造研究有利于解决岩石的变形机制问题.应用偏光显微镜和透射电子显微镜方法,进行了胶东东部走滑逆冲构造带显微构造及超微构造研究.研究认为主要走滑逆冲剪切带的石英位错亚构造以线位错为主,并常见位错环、位错弓弯、位错壁、位错列、位错网及亚晶粒等构造型式颗粒等.石英超微位错构造总体反映的是中温或低温塑性变形环境;石岛剪切带、荣成剪切带、牟平剪切带的平均古差异应力值呈现逐渐降低的趋势,跟温度呈反相关的关系. |
| 关 键 词： | 胶东东部 走滑逆冲构造带 超微构造 |
| 文章编号： | 1000-3657（2005）04-0571-08 |
| 收稿时间： | 2005-01-20 |
| 修稿时间： | 2005-01-202005-08-03 |
Ultramicrostructure of the Mesozoic strike-slip thrust belt in eastern Jiaodong |
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| ZHANG Hong-yuan,HOU Quan-lin,CAO Dai-yong.Ultramicrostructure of the Mesozoic strike-slip thrust belt in eastern Jiaodong[J].Chinese Geology,2005,32(4):571-578. | |
| Authors: | ZHANG Hong-yuan HOU Quan-lin CAO Dai-yong |
| Institution: | 1. Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, China; 2. State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Beijing 100083, China; 3. Graduate School of China Academy of Sciences, Beijing 100039, China; 4. Key Laboratory of Coal Resources (CUMT |
| Abstract: | Easteru Jiaodong, regionally located at the eastern end of the Qinling-Dabie-Sulu orogenic belt, is a Mesozoic strike-slip thrust belt. The study of ultramicroscopic structure is favorable to solving the problem of deformation mechanisms of rocks. Microstructure and ultramicrostructure of the strike-slip thrust belt in eastern Jiaodong have been studied using both microscopy and TEM. Study indicates that the dislocation substructure of quartz in the main strike-slip thrust shear zone is dominated by linear dislocation, and in addition, dislocation loops, bow-out, walls, arrays and net and subgrains are also common. A middle- to low-temperature, plastic deformation environment, can be deduced from the ultramicroscopic dislocation structures of quartz. Furthermore, the average differential paleo-stress values of the Shidao, Rongcheng and Mouping shear zones show a trend of gradual decrease, which seems to be inversely correlated with the trend of temperatures. |
| Keywords: | eastern Jiaodong strike-slip thrust belt ultramicrostructure |
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