Records of the Geological Survey of India, Volume 130, Parts 2-3
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.
ANTARCTICA DIVISION 5359
BHUTAN UNIT 6079
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING 80125
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amphibolite analysis Andaman anomaly assemblage bands Barakar Barakar Formation basalt basemetal basin belt Bhutan Bihar biotite block boreholes carried charnockites clay coal seams Coalfield coarse Code covered Deccan Deccan trap deposits depth Director district Division drilling east Eastern fault feldspar field season foliation garnet geochemical GEOLOGICAL MAP geophysical GEOTECHNICAL INVESTIGATION gneiss gold Gondwana grade grained granite gneiss granitoids granulite grey Group heavy minerals indicated intersected Kamthi lignite limestone lineament lithounits located magnetic metamorphism mica mineralisation occur olivine Orissa OVERVIEW pegmatite petrographic phyllite plagioclase potential present programme Project quartz quartz veins quartzite range Raniganj REGIONAL EXPLORATION river rocks sand sandstone scale schist seabed seam zones sector shale shear zone silty Singhbhum slope soil spillway sq km STAGE GEOTECHNICAL INVESTIGATION stream sediment surface Survey of India thickness tion toposheet trending ultramafic upto varies volcanics West Bengal