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Planning and Training Division
Palaeontology and Stratigraphy Division
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alignment analyses anomaly associated bands bank bauxite Bihar block bore boreholes carried Circle clay coal collected completed comprising consists construction continued copper core covered deposits depth detailed dips direction district Division drilling east electrical encountered examined exploration exploratory exposed extension fault field folds foliation formations foundation further geological mapping gneiss grade grained granite granite gneiss Groundwater holes included India indicated investigation joints laterite length limestone located logging lower measurements metres mica mineralisation minerals Nagpur observed occurs pegmatite period phyllites pits places Pleistocene power house Pradesh present Project proposed quartz quartzite ranging recommended recorded Region reported river rock types samples sand sandstone scale Scheme schist seams shales shear Sheet Shri soil strike studies suggested surface surveys systematic thickness thin tonnes toposheet traverse trending tunnel unit upto valley varies veins West zone