Records of the Geological Survey of India, Volume 114, Part 1The Survey, 1986 - Earthquakes 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. |
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Page 31
... Minerals & Noble metals and various Committees . 4. Geothermal Investigation ; CRUMANSONATA ; GEOPHYSICAL ... Minerals : 127 enquiries concerning identifica- tion and analysis of gemstones , rocks and minerals were attended to . ( e ) ...
... Minerals & Noble metals and various Committees . 4. Geothermal Investigation ; CRUMANSONATA ; GEOPHYSICAL ... Minerals : 127 enquiries concerning identifica- tion and analysis of gemstones , rocks and minerals were attended to . ( e ) ...
Page 180
... mineral composition from Rakha Mines , Singhbhum district , Bihar , were analysed . In all the samples chalco- pyrite was major , quartz and pyrite were present in good amounts . Minerals like covellite , pentlandite , pyrrhotite ...
... mineral composition from Rakha Mines , Singhbhum district , Bihar , were analysed . In all the samples chalco- pyrite was major , quartz and pyrite were present in good amounts . Minerals like covellite , pentlandite , pyrrhotite ...
Page 182
... minerals and iron minerals like hematite and goethite were also predominant minerals present in them . After cooling the heat treated samples , it was found that some portion of the material became magnetic and some portion remained non ...
... minerals and iron minerals like hematite and goethite were also predominant minerals present in them . After cooling the heat treated samples , it was found that some portion of the material became magnetic and some portion remained non ...
Contents
GEOLOGY DIVISION | 1 |
OFFSHORE MINERAL EXPLORATION MARINE GEOLOGY DIVISION | 48 |
DIVISION OF REGIONAL INTEGRATED SURVEY | 82 |
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Common terms and phrases
abutment alignment amphibolite analysis Andhra Pradesh anomaly bands basalt basin bed rock belt Bihar biotite block boreholes carried chalcopyrite charnockite chemical clay coalfield comprising core covering an area Deccan Trap depth dips Director DISTRICT Division dolomite drill holes dykes envisages excavation exploration exposed fault foliation Formation geochemical geological investigation geological mapping Geologist geotechnical investigation gneiss Gondwana grade granite gneiss grey Group Headquarters Hydel Project indicated intruded Jammu Karnataka km long Laboratory laterite limestone line km lineaments located logging Lucknow magnetic magnetite mapped an area mica mineralisation minerals nala occur Orissa pegmatite phyllite pits power house proposed pyrite quartz quartz veins quartzite Rajasthan regional river rock types S/Shri samples were collected sandstone scale schist seams sediments shale shear zone Shri siltstone slate soil spillway sq km Srivastava strike length studies sulphide thickness tion tonnes toposheet trending tunnel upto valley varying volcanics width