欧亚-阿拉伯碰撞带新活动断裂:东安纳托利亚高原Özyurt和g ls nler断裂的构造活动。

IF 2 4区地球科学 Q2 GEOLOGY

Geologica Acta Pub Date : 2017-06-13 DOI:10.1344/GEOLOGICAACTA2017.15.2.3

S. Dicle, S. Üner

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引用次数: 6

摘要

东安纳托利亚高原出现在阿拉伯和欧亚板块之间的大陆碰撞中，强烈的地震活动与持续的辐合有关，是高原南部的特征。该区活动变形主要由逆冲断层和走滑断层共同参与。位于Van市中心北部的Ozyurt逆冲断层和Gulsunler左旋走滑断层是新确定的断裂带。在第四纪湖相沉积的采石场壁面上，在这两条断裂的交汇地带，可观察到不同类型的断层，如逆冲断层、正断层和走滑断层。断层滑动数据的运动学分析揭示了凡湖盆地的张拉和挤压构造的同步活动。这些断层的地震学和地貌特征表明该地区具有破坏性地震的能力。

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New active faults on Eurasian-Arabian collision zone: Tectonic activity of Özyurt and Gülsünler faults (Eastern Anatolian Plateau, Van-Turkey).

The Eastern Anatolian Plateau emerges from the continental collision between Arabian and Eurasian plates where intense seismicity related to the ongoing convergence characterizes the southern part of the plateau. Active deformation in this zone is shared by mainly thrust and strike-slip faults. The Ozyurt thrust fault and the Gulsunler sinistral strike-slip fault are newly determined fault zones, located to the north of Van city centre. Different types of faults such as thrust, normal and strike-slip faults are observed on the quarry wall excavated in Quaternary lacustrine deposits at the intersection zone of these two faults. Kinematic analysis of fault-slip data has revealed coeval activities of transtensional and compressional structures for the Lake Van Basin. Seismological and geomorphological characteristics of these faults demonstrate the capability of devastating earthquakes for the area.

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来源期刊

Geologica Acta 地学-地质学

CiteScore

2.50

自引率

6.70%

发文量

审稿时长

>12 weeks

期刊介绍： - Relevant conceptual developments in any area of the Earth Sciences. - Studies presenting regional synthesis. - Thematic issues or monographic volumes presenting the results from one or more research groups. - Short papers reflecting interesting results or works in progress. - Contributions and results from Research Projects, Workshops, Symposiums, Congresses and any relevant scientific activity related to Earth Sciences. - Geologica Acta aims to stimulate rapid diffusion of results and efficient exchange of ideas between the widespread communities of Earth Science researchers (with special emphasis on Latinamerica, the Caribbean, Europe, the Mediterranean