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AIRBORNE MINERAL SURVEY AND EXPLORATION WING
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alignment amphibolite analysis anomaly zone Archaean Asstt axis bands Baratang basalt basin bauxite bed rock Bihar block boreholes Calcutta carried chalcopyrite charnockite clay coal copper core covered Deccan Trap Delhi delineated deposits depth Director dist district DIVISION dykes fault flows folds Formation fossils geochemical Geol geological mapping Geological Survey Geologist Geologist Jr geophysical surveys geotechnical geothermal Ghosh gneiss Gondwana grade granite graphite Group indicated investigation Karnataka laboratory laterite limestone line km located Madhya Pradesh magnetic magnetite Maharashtra metres mineralisation minerals nala occur pegmatite phyllite pits Project quartz quartzite Rajasthan Region resistivity river rock types S/Shri samples sand sandstone Sarvashri scale schist seams sediments serpentinite shale shear zone Shri Singh soil spillway sq km strike length studies sulphide surface Survey of India thickness tion tonnes Toposheet traverse trending tunnel upto Valley varying veins