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首页> 外文会议>International conference on remote sensing for marine and coastal environments >Integrated Approach for Delineating Hazardous Coastal Plain Along the South Tamil Nadu, India-A Remote Sensing Scan through
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Integrated Approach for Delineating Hazardous Coastal Plain Along the South Tamil Nadu, India-A Remote Sensing Scan through

机译：描绘印度南部泰米尔纳德邦沿线危险沿海平原的综合方法-遥感扫描

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An investigation along the coastal belt of South Tamil Nadu has revealed that the Karstic formation consists of sandy limestone beds interbedded with calcareous sandstone layers and parting of shales of Late Miocene age. Geomorphological observations through satellite data(Landsat 5 TM) in the scale of 1:50,000 helped to identify these zones sharply by their spectral reflectance. Stratigraphic column as recorded in different traverses reveals that the limestone ranges in thickness from 15 to 17 m and includes the remains of Pelecypodes, Gostropods and COral framgments. Coarse grains are associated with the limestone, presumably derived from the Archaean basement. In some places, Knakar surface has been developed due to weathering. A schematic geological profile was drawn depicting a clear alternate depression of clastics and carbonates.
机译：沿着南泰米尔纳德邦沿海带进行的一项调查显示，岩溶岩层由砂岩灰岩床，钙质砂岩层和中新世晚期页岩的分隔层组成。通过卫星数据（Landsat 5 TM）以1：50,000的比例进行的地貌观测有助于通过光谱反射率清晰地识别这些区域。在不同的横断面上记录的地层柱表明，石灰岩的厚度范围为15至17 m，其中包括千足纲，直足纲动物和科拉尔碎片。粗粒与石灰岩有关，可能是从古生的地下室中提取的。在某些地方，由于风化，Knakar表面已经形成。绘制了示意性地质剖面图，描绘了碎屑和碳酸盐的明显交替凹陷。

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