Records of the Geological Survey of India, Volume 114, Part 1

alignment analysed anomaly associated bands bank belt block boreholes carried Circle clay collected completed comprising construction containing continued core covered deposits depth detailed developed dips Director DISTRICT Division drill holes drilling east examined exploration exposed fault field folds Formation foundation geological mapping Geologist geophysical gneiss grade granite grey ground Group Headquarters India indicated investigation Laboratory length limestone located logged lower magnetic major measures mineralisation minerals Nagpur observed occurs phyllite pits power house Pradesh prepared present proposed quartz quartzite recommended regional reported river road rock rock types samples sandstone scale scheme schist sediments sericite shale shear Shri soil spillway sq km stage strike structure studies suggested surface surveys taken thickness thin tion toposheet trace traverse trending tunnel Upper upto valley values varies veins zone