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AIRBORNE MINERAL SURVEYS AND EXPLORATION WING
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analysis anomaly associated bands Barakar base basic basin Bhutan block boreholes carried central chemical clay coal seams Coalfield coarse coast Code collected Complex conducted continued cores Course covered cruise deposit depth detailed Director DISTRICT Division drilling east eastern established evaluation extension fault field season Formation GEOLOGICAL MAP geophysical gold grade grains granite grey ground Group heavy minerals included India indicated intersected Kamthi Kerala lignite limestone located lower magnetic mainly major Measure mineralisation minerals Nagpur nature northern occur officers Orissa period placer port potential presence processing programme quartz range recorded REGIONAL EXPLORATION represented revealed rocks samples sand scale seabed sector sediments shale silty slope soil southern sq km strike structural studies surface surveys taken thickness tion trending unit Valley values varies western Wing zone