Records of the Geological Survey of India, Volume 126, 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.
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING 113 190
Overview of the Deputy Director General
Operation East CoastI
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aeromagnetic amphibolite AMSE Wing analysed ANDHRA PRADESH anomalies bands Barakar Barakar Formation Barren Measures Formation basement basin Bengal Bhutan Bihar block boreholes carbonaceous chalcopyrite clay coal seams COAL WING Coalfield Code cores cruise deposits DISTRICT Division drilling east EXPLORATION FOR COAL fault field season foraminifera geochemical GEOLOGICAL MAP geophysical Ghosh gneiss gneissic Godavari Valley Gondwana grade grey ground evaluation heavy mineral horizon INDEX indicated intersected investigation isobath isotopic Kamthi Formation lamproites lignite limestone located MADHYA PRADESH magnetic medium grained metamorphism migmatites million tonnes NW-SE occur ooids Orissa phyllite pluton Precambrian programme quartz quartzite range Raniganj Raniganj Formation Regional exploration ridge Sakoli samples sand sandstone Sattupalli scale schist seabed seam zones sector sediments sequence shale shelf silty Singhbhum slope sq km stratigraphy strike studies sub-surface Survey of India Talchir Formation tectonic thickness Toposheet trending upto varies water depth