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AIRBORNE MINERAL SURVEY AND EXPLORATION WING
HIMALAYAN GEOLOGY DIVISION
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alignment analysed anomaly Assistant Attended bands bank bauxite block bore boreholes carried Central Circle clay coal collected completed comprising consists construction continued copper core 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 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