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AIRBORNE MINERAL SURVEY AND EXPLORATION WING
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alignment analysed Assistant Attended bands bank bauxite block boreholes carried Central Circle clay coal collected completed comprising consists construction continued copper covered deposits depth detailed dips Director district Division drilling east electrical encountered Engineer examined exploration exploratory exposed extension fault field folds formations foundation geological mapping Geologist gneiss grade granite granite gneiss Groundwater holes included India indicated investigation joints Laboratory length limestone located logging Long lower measurements meeting metres mineralisation minerals Mining Nagpur observed occurs officers pegmatite period phyllites pits Pleistocene Pradesh present Project proposed quartz quartzite range recommended recorded Region reported river rock types S/Shri samples sand sandstone scale Scheme schist seams shales shear Sheet Shri strike studies suggested Survey systematic thickness thin tonnes toposheet traverse trending tunnel unit upto valley varies veins West zone