Records of the Geological Survey of India, Volume 109, Part 1

alignment analysis Assistant associated Attended bands basalt block boreholes carried Central CIRCLE clay coal collected completed comprising construction continued copper cores covered deposits depth detailed dips Director DISTRICT DIVISION drilling east encountered Engineer examined exploration exposed fault field flows folds Formation foundation geological geological mapping Geologist Geologist Jr geophysical gneiss grade granite Group Headquarters holes India indicated intrusives investigation joints LABORATORY length lignite limestone located logged Lower magnetic major meeting mineralisation minerals Nagpur occur officers phyllite pits Pradesh prepared present Project proposed quartz quartzite ranging recommended Region reported river rock rock types S/Shri samples sand sandstone Sarvashri scale scheme schist seams sediments shale shear Shri soil sq km strike structure studies suggested surface surveys thickness tion tonnes Trap traverse trend tunnel units upto valley varying veins zone