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首页> 外文期刊>Journal of Asian earth sciences >Geometric and kinematic evolution of the Jiali fault, eastern Himalayan Syntaxis
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Geometric and kinematic evolution of the Jiali fault, eastern Himalayan Syntaxis

机译：Jiali断层的几何和运动学演变，东部喜马拉雅汉族语法

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摘要

Large strike-slip faults play an important role in slip partitioning of the oblique convergence between the Indian plate and the Eurasian plate. The Karakorum-Jiali fault zone (KJFZ) is regarded as the southernmost major fault in the strike-slip faults system of the Tibetan plateau. The significance of the Jiali fault as the southern boundary of the eastward extrusion of the Tibetan plateau remains subject to debate due to the wide disagreements in its strike-slip rate. There is also a huge mismatch between its previously predicted low slip rate and the accom-modation of the most significant compression in the frontal Eastern Himalayan Syntaxis. New GPS measurements suggest that the dextral strike-slip rate of the western segment, the middle segment, and the western part of the eastern segment of the Jiali fault is 5.0 ? 0.5 mm/yr, 2.4 ? 0.8 mm/yr, and 3.8 ? 0.9 mm/yr, respectively. As for the eastern segment of the Jiali fault, based on a two-dimensional elastic dislocation model, we search for the optimal solutions of the strike-slip rates along its two branch faults. They no longer accommodate strike-slip motion. But the diffuse active fault zone between the Mishimi and Puqu fault, inferred by the distribution of small earthquakes and systematic geologic mapping, may accommodate the strike slip motion with an estimated rate less than 5 mm/yr. Thus, it is predicted to have taken place the eastern segment. The eastern segment of the Jiali fault appears to have horizontally rotated clockwise around the Namche-Barwa Syntaxis.
机译：大型防滑断层在印度板材和欧亚板块之间的倾斜融合中发挥着重要作用。 Karakorum-Jiali断层区（KJFZ）被视为西藏高原的击球故障系统中最疣的主要断层。嘉利断层作为西藏高原东部挤压南部边界的重要性仍然是由于其防滑率的广泛分歧而遭到辩论。在其先前预测的低滑移率和额外的大喜马拉雅舞蹈中最显着压缩的适应性调制也存在巨大不匹配。新的GPS测量表明，西部的右侧防滑率，中间部分和西部的Jiali故障的东部部分是5.0？ 0.5 mm / yr，2.4？ 0.8 mm / yr和3.8？ 0.9 mm / yr分别。至于Jiali断层的东部，基于二维弹性脱位模型，我们搜索其两个分支故障的击球率的最佳解决方案。它们不再适应防滑运动。但是，采用小地震分布和系统地质映射推断的Mishimi和Puqu故障之间的漫反射区可以容纳撞击运动，估计速率小于5mm / yr。因此，预计已经采取了东部段。 Jiali故障的东部段似乎在Namche-Barwa语法周围顺时针旋转。

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