| 双向剪切—晋北张性构造区形成演化的一种模式 |
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| 引用本文： | 申旭辉 汪一鹏. 双向剪切—晋北张性构造区形成演化的一种模式[J]. 地震研究, 1994, 17(3): 288-291 |
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| 作者姓名： | 申旭辉 汪一鹏 |
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| 作者单位： | 国家地震局地质研究所 |
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| 摘 要： | 晋北张性区的形成，是山西构造带与燕山构造带共同作用的结果，山西断陷带的右旋剪切与弱山构造带的左旋剪切即双向剪切作用，在其交汇处即晋北构造区造成了局部的引张应力场，并最终控制了晋北区的形成和发展。
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| 关 键 词： | 构造应力场 剪切构造 燕山地堑系 |
DOUBLE DIRECTION SHEAR-A MODE OF FORMATION AND EVOLUTION OF THE TENSIONAL-TECTONIC REGION IN THE NORTHERN SHANXI PROVINCE |
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| Shen Xuhui,Wang Yipeng. DOUBLE DIRECTION SHEAR-A MODE OF FORMATION AND EVOLUTION OF THE TENSIONAL-TECTONIC REGION IN THE NORTHERN SHANXI PROVINCE[J]. Journal of Seismological Research, 1994, 17(3): 288-291 |
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| Authors: | Shen Xuhui Wang Yipeng |
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| Abstract: | The formation of the tensional region in the northern Shanxi province resulted from joint action of the Shanxi and Yanshan tectonic zones. The double-direction shear action, right-lateral shear from the Shanxi fault subsidence zone and left-leteral shear from the Yanshan tectonic zone has created a part of gravitational-tensional stress field at the meeting of the two shears,which controls ultimately formation and evolution of the tectonic region in the northern Shanxi. |
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| Keywords: | Tectonic stress field Shear structure Yanshan graben system. |
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