Records of the Geological Survey of India, Volume 122, Part 2Includes the "Annual report of the Geological Survey of India," 1867- |
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Contents
CENTRAL HEADQUARTERS 1 79 | 1 |
AIRBORNE MINERAL SURVEY AND EXPLORATION WING 80104 | 80 |
COAL WING 105 174 | 105 |
Copyright | |
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Common terms and phrases
analysis anomalies appears assemblage associated bands Barakar Formation base basin belt block boreholes Calcutta carried Central clay coal seams COALFIELD Code collected comprising contain copper cores correlation covered deposits depth detailed developed DISTRICT Division drilling dykes east eastern elements evaluation EXPLORATION extension fault field Formation geological Geophysics gneisses Gondwana grained granite gravity ground Group heavy horizon identified India indicated interpretation intersected lignite limestone located Lower magnetic major measurements method mineralisation minerals nature objective observed occurs pattern present processing programme quartz quartzite range recorded regional reported represented revealed river rocks samples sand sandstone scale schist sector sediments sequence shale significant sq km strike structural suggest surface surveys taken thickness trending types units Upper valley values varies various veins volcanics western Wing zone