Records of the Geological Survey of India, Volume 124, Part 2
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 SURVEYS AND EXPLORATION WING
Eastern Zone 188190
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analysis anomalies associated average bands Barakar Formation base basin belt Bhutan block boreholes carried Central chondrite clay coal seams COALFIELD coarse Code collected complex composition continued copper core covered deposits depth detailed developed DISTRICT Division drilling east eastern estimated evaluation exploration extension faults field folds follows Formation geological GEOLOGICAL MAP geophysical gneiss Gondwana grade grained granite gravity grey ground Group INDEX India indicate intersected lignite limestone located lower magnetic mainly major Measures medium million mineral mineralisation Nagpur nature occur phases phyllite potential Pradesh present prospect quartz quartzite range recorded regional represented reserve revealed rocks samples sand sandstone scale schist sector sediments shale soil sq km strike structure surface surveys taken Talchir thickness thin tion tonnes trending types unit upper VALLEY values varying volcanic zone