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

analysis anomalies associated attended bands bank basalt basin belt block bodies boreholes carried chemical Circle clay coal coalfield collected complex comprising consists construction contain continued core covered deposits depth detailed developed dips Director district Division drilling east examined exploration exposed fault field folded Formation foundation geological Geologist geophysical gneiss grade granite grey Group Hills holes included India indicated Indus laboratory length limestone located logging Lower magnetic major mapping measurements meeting mineralisation minerals Nagpur occur officers ophiolite phyllite Pradesh prepared present Project proposed quartz quartzite range 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 thrust tion toposheet traverse trending tunnel types units Upper valley various varying volcanics West zone