Records of the Geological Survey of India, Volume 106, Part 1

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