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OFF SHORE MINERAL EXPLORATION AND MARINE GEOLOGY DIVISION
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING
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analysis anomaly associated Asstt attended bands base basin belt block bodies boreholes Calcutta carried Central Chemical Circle clay coal collected comprising conducted continued core covered deposits depth detailed dips Director DISTRICT Division drilling east Engineer exploration exposed fault field flows folds Formation foundation geological mapping Geologist Jr Geophysical gneiss grade granite gravity grey Group Headquarters held hill India indicated investigation laboratory laterite length limestone located logging magnetic major measurements meeting million mineral mineralisation Nagpur observed occur officers phyllite pitting Pradesh prepared present Project proposed quartz quartzite ranging recommended recorded Region reported resistivity river rock types rocks S/Shri samples sandstone scale schist sediments seismic refraction shale sheet Shri sq km strike structural studies suggested surface surveys thickness tion toposheet traverses trending units upto Valley various varying veins zone