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| Article Name : | | | RELATION BETWEEN LITHOLOGY AND LANDFORMS: A CASE STUDY OF A PART OF RISHI KHOLA BASIN IN SIKKIM AND WEST BENGAL, INDIA | | Author Name : | | | Rimi Biswas , Malay Halder , Tanmoy Saha and Mitul Sarbajna | | Publisher : | | | Ashok Yakkaldevi | | Article Series No. : | | | GRT-5959 | | Article URL : | |  | Author Profile View PDF In browser | | Abstract : | | | Lithology of a rock unit describes its physical characteristics visible at outcrop in hand or core sample or with low magnification microscopy, such as colour, texture, grain size or composition.On the other hand, landform in the earth sciences and geology subfields comprises a geomorphological unit and it is largely defined by its surface form. In the present study, lithological analysis on a part of Rishi Khola basin has been carried out using data collected from literature survey, field study, and also by computing it through GIS techniques. There are three types of rock formations, such as Garubathan (297.42034 Sq.km), Rayeng(19.29 Sq.Km), Rangli Schist(29.18 Sq.Km).In Rishi Khola basin area, we observed huge variation of dip, strike, Slope and many folds, faults, joints. They influence the valley Shape, landforms and different geomorphic processes. These studies are helpful in understanding Hydrological, Geomorphological and Lithological characteristics of this basin area. | | Keywords : | | |
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