Records of the Geological Survey of India, Volume 115, Parts 1-2
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
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alignment Andaman Andhra Pradesh anomaly Asstt bands Bangalore basalt basin Bijawar biotite block boreholes Calcutta chemical chert chromite clay comprising conglomerate core covered Deccan trap deposits depth dips Director District DIVISION drill holes dunite dykes exploration exposed fault folded Formation fossils gabbro geochemical Geol geological mapping Geologist Jr geophysical Ghosh gneiss Gondwana grained granite gneiss granitoid grey Gupta Headquarters Hydel Project Hyderabad India indicated Indus Group Jaipur Karnataka km long Kumar laboratory Ladakh limestone lineament located logging magnetic magnetite migmatite mineral mineralisation Nagpur nala occur ophiolite ophiolite belt pegmatite peridotite phyllite power house Prasad proposed quartz quartzite Region river rock types S/Shri samples were collected sandstone Sangeluma scale schist sediments sequence serpentinite shale Sharma shear zone Shri siltstone Singh Sinha spillway sq km sq km area Srivastava studies surveys tectonic thick thrust tion toposheet traverse mapping trending tunnel upto valley veins volcanics