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首页> 外文期刊>Izvestiya. Physics of the solid earth >On the Problem of Distinction between Recent Geodynamics of Central and East Asia
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On the Problem of Distinction between Recent Geodynamics of Central and East Asia

机译：论中亚最近地球力学的区分问题

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摘要

The Central Asian and East Asian transitional zones are distinguished in Central and East Asia south of the Late Precambrian-Paleozoic fold belts of the Southern Russia and Kazakhstan and east of the Siberian Platform which are parts of the North Eurasian lithospheric plate. These transitional zones separate the plate from the Indian, Australian, and Pacific plates. The Central Asian zone is presently dominated by tectonic transpression accompanied by the thrusts and strike-slip deformations extensively developed under the influence of the Hindustan indenter pressure. The East Asian zone is mainly controlled by transtension with extensive shear strain processes associated with the deep submergence and, apparently, gradual disintegration and disappearance of the Pacific slab at a depth. This regime can also be connected with the ascending mantle plumes beneath Transbaikalia and North Mongolia. The Cenozoic rift structures and large depressions prevail in the East Asian transition zone. The difference in the geodynamic regimes in the transitional zones is demonstrated by seismic data and by the analysis of geophysical fields and anomalies in their deep structure. The boundary between the zones approximately coincides with the extended submeridional 102 degrees-104 degrees E geodivider which is identified based on numerous geological and tectonic manifestations in the North, Central, and South Asia. In the central part, the geodivider is supported by the data on recent crustal block structure, seismicity, active faults, and deep structure anomalies.
机译：亚洲和东亚过渡区的南亚中部和东亚南部南部南部南部和哈萨克斯坦和西伯利亚平台以东的南亚区别为北欧亚岩石层的一部分。这些过渡区将板块与印度，澳大利亚和太平洋板块分开。中亚地区目前由构造经验构成，伴随着在印度淀粉内压力压力的影响下广泛开发的推力和滑动变形。东亚地区主要受到静音控制，具有与深层淹没相关的广泛剪切应变过程，并且显然，逐渐崩溃和太平洋平板的逐渐解体和消失。该制度也可以与Transbaikalia和北蒙古下面的上升地幔羽毛连接。新生代裂缝结构和大萧条在东亚过渡区占优势。通过地震数据证明了过渡带中地质动力调节的差异，并通过对其深层结构的地球物理领域和异常分析。区域之间的边界与延伸的潜艇102度-104摄氏度大致一致，这是基于北部，中央和南亚的众多地质和构造表现形式来识别的。在中央部分，地理仪由最近的地壳结构，地震性，积极故障和深层结构异常的数据支持。

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