Records of the Geological Survey of India, Volume 115, Parts 1-2

analysed anomaly associated attended bands bank basalt basin belt block bodies boreholes carried chemical Circle clay coal coalfield collected completed comprising consists construction contain continued core covered deposits depth detailed developed dips Director district Division drilling east examined exploration exposed fault field flows folds Formation foundation geological Geologist geophysical gneiss grade granite grey Group Hills holes included India indicated investigation laboratory length limestone located logging Lower magnetic major mapping meeting mineral mineralisation Nagpur occur officers ophiolite phyllite power house Pradesh prepared present Project proposed quartz quartzite ranging regional reported river rocks S/Shri samples sand sandstone scale schist seams sector sediments sequence shale shear Shri sq km stage structural studies suggested surface surveys tectonic thickness thin tion toposheet traverse trending tunnel types units Upper valley varying veins volcanics West zone