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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Mapping of ophiolites: A study in the Indus Suture Zone of north-western Himalaya, using IRS-1C/1D data
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Mapping of ophiolites: A study in the Indus Suture Zone of north-western Himalaya, using IRS-1C/1D data

机译：蛇绿岩的制图：使用IRS-1C / 1D数据在喜马拉雅西北部的印度河缝合带中进行的一项研究

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摘要

Ophiolites, which have been tectonically emplaced along continental margins and island arts, are significant to the understanding of mountain belt evolution. At the same time mapping of ophiolites in the hostile and inaccessible mountainous terrains of Himalaya has always posed a great challenge to geologists, The emphasis in the present study is on the mapping of the geological features especially the lithological inferences in the Nidar Ophiolitic Complex of the Indus Suture Zone of the Ladakh and Karakoram range of NW Himalaya using high resolution IRS-1C/1D satellite data and refinement of the existing geological maps. While the published geological maps show sequential distribution and occurrence of a number of litho-units, the satellite images have helped not only in delineating the lithological boundaries more precisely but also in demarcation of a number of subunits within the already mapped litho-units. The study shows that the outcrops of the dissimilar lithological units are better delineated on satellite data-based map and hence can be used to refine tbe existing map of the terrain. [References: 17]
机译：蛇绿岩已被构造地沿大陆边缘和岛屿艺术分布，对了解山地带的演化具有重要意义。同时，在喜马拉雅山敌对和人迹罕至的山区地形中，蛇绿岩的测绘一直对地质学家构成巨大的挑战。本研究的重点是地质特征的测绘，尤其是尼日尔蛇绿岩复合体的岩性推断。喜马拉雅西北部拉达克和喀喇昆仑山脉的印度河缝合带，使用高分辨率IRS-1C / 1D卫星数据并完善了现有地质图。虽然已发布的地质图显示了许多岩石单元的顺序分布和出现，但卫星图像不仅有助于更精确地描绘岩性边界，而且还有助于在已经映射的岩石单元内划分许多子单元。研究表明，在基于卫星数据的地图上可以更好地描绘出不同岩性单元的露头，因此可以用来完善现有的地形图。 [参考：17]

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