Records of the Geological Survey of India, Volume 122, Part 1
Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals.
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AIRBORNE MINERAL SURVEY AND EXPLORATION WING 4571
COAL WING 7296
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analysis anomaly assess associated bands basalt base basin belt block boreholes carried chemical clay coal Code collected completed comprises construction continued core covered delineated deposits depth detailed developed Director district DIVISION drilling east evaluation exploration exposed field flows Formation foundation further geological mapping GEOLOGIST GEOLOGY DIVISION geophysical geotechnical gneiss gold granite Group Headquarters holes identified India indicated investigation length lignite limestone located logging lower magnetic major mineral mineralisation Nagpur Objective occur Pradesh prepared present proposed quartz quartzite range recorded regional reports river rock samples sand sandstone scale scheme schist seams season sediments shale shear SHRI soil sq km stage strike structural studies suggested surface surveys taken thick tion toposheet traverses trending tunnel types units Upper upto valley values various varying veins zone