Remote detection of geological structures: an application to the Aravalli region,western India |
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| Authors: | Debaditya Acharya Alok Porwal Avik Bhattacharya |
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| Institution: | 1. Centre of Studies in Resources Engineering, Indian Institute of Technology Bombay, Mumbai, India;2. Centre for Exploration Targeting, Western Australian School of Mines, Curtin University of Technology, Perth, Australia |
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| Abstract: | Optical and microwave remote sensing data are used in conjunction with a digital elevation model to map lineaments in the central parts of the Aravalli region, Rajasthan, western India. Lineament maps interpreted from each data-set are subsequently combined to derive a composite lineament map of the area. Rose plots are used to identify the prominent trends of the lineaments and compared with published structural map of the study area. Three major trends are identified, namely, the NE–SW, NNE–SSW and EW, which are interpreted to be, related to the DF1, DF2 and DF4 deformation phases identified by the previous workers through field studies. The lineaments are classified as fold axes or faults, and a total of 10-fold axes and 30 faults mapped in the area. |
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| Keywords: | Optical remote sensing SAR digital elevation models GIS lineament mapping |
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