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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abutment alignment amphibolite analysis Andhra Pradesh anomaly bands basalt basin bedrock Bihar Bijawar biotite block boreholes carried out geological chalcopyrite clay coalfield comprising covering an area Deccan traps deposits depth dips Director district Division dolomite drill holes dykes earth dam exploration exposed fault folds Formation fossils geochemical geological mapping Geologist geophysical geotechnical investigation gneiss Gondwana granite granite gneiss granitoid grey Headquarters Hydel Project indicated km long laboratory limestone line km located logging magnetic mapped an area migmatite mineralisation minerals nala pegmatite penstock phyllite power house PRADESH proposed pyrite quartz quartz veins quartzite Quaternary Rajasthan Region reservoir river rock types S/Shri samples were collected sand sandstone scale schist seams sediments sequence shale shear zone Shri siltstone Singh Sirohi district slope spillway sq km sq km area stage geological investigation studies sulphide surveys terrace thickness tion toposheet traverse mapping trending tunnel valley Vindhyan volcanics