Records of the Geological Survey of India, Volume 123, 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.
Geochronology and Isotope Geology Division 1833
Central Petrological Laboratories 4450
Central Geophysics Division 5168
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aeromagnetic amphibolite AMSE Wing analysis ANDHRA PRADESH anomalies Argada bands Barren Measures Formation basin Bhutan BIHAR block boreholes Calcutta Central chalcopyrite chemical clay coal seams Coal Wing copper cores correlation cruise deposits depth developed DISTRICT dolomite dykes east eastern EXPLORATION FOR COAL fault field season geochemical GEOLOGICAL MAP Geophysics Division gneisses GODAVARI VALLEY Gondwana grade grained granite gneiss grey GROUND EVALUATION heavy mineral horizon India indicated intersected isotopic Kamthi Formation Karnataka lignite limestone lithological located MADHYA PRADESH mafic magnetic Marine Wing METAMORPHICS migmatites million tonnes mineralisation NW-SE occur Orissa PAKARIA phyllite PRADESH Code Precambrian quartz quartzite range Raniganj ratio REGIONAL EXPLORATION revealed samples sand sandstone scale schist seam zones sector sediments seismic sequence shale Sohagpur sq km sulphide surface surveys TALCHIR FORMATION thickness tion toposheet trending upto VALLEY COALFIELD varying vibrocores volcanics WEST BENGAL zone