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AIRBORNE MINERAL SURVEY AND EXPLORATION WING
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alignment alluvium amphibolite Andhra Pradesh anomaly Asstt bands basalt bauxite Bihar biotite block bore holes boreholes Calcutta charnockite Circle clay coal Coalfield comprising copper covered an area Deccan Trap Delhi deposits dips Director district Division dolerite dolomite drill holes Dutta dykes electrical logging Engineer exploration foliation formations garnetiferous geochemical geohydrological geological investigation geological mapping Geologist Geologists Jr geophysical Geophysicist Ghosh gneiss Gondwana granite gneiss Groundwater indicated Jaipur Laboratory laterite limestone located Lucknow Madhya Pradesh mapped an area mapped on scale metres million tonnes mineralised zone minerals Mukherjee Mysore nala occurs officers Orissa pegmatite period under review phyllites pits power house Project quartz veins quartzite Rajasthan recommended Region rock types S/Shri samples sandstone schist seams sediments shales Sharma shear zone Singh Sinha spillway Srivastava strike length studies Survey of India taluk thickness toposheet traverse trending tubewells tunnel upto valley varies West Bengal