Records of the Geological Survey of India, Volume 114Geological Survey of India, 1986 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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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
CENTRAL HEADQUARTERS | 5 |
STRATIGRAPHY AND PALAEONTOLOGY DIVISION | 14 |
INTERNATIONAL WING | 23 |
Copyright | |
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Common terms and phrases
alignment amphibolite analysis Andhra Pradesh anomaly Asstt bands basalt bed rock belt Bihar biotite block boreholes Calcutta carried chalcopyrite chemical Circle clay coalfield comprising core Dam Project Deccan Trap depth dips Director DISTRICT Division dolomite drill holes dykes excavation exploration exposed fault foliation Formation geochemical geological mapping Geologist Jr geotechnical investigation geothermal Ghosh gneiss Gondwana grade granite gneiss grey Group Headquarters HIMACHAL PRADESH Hydel Project Hydel Scheme indicated Jammu Karnataka km long Kumar Laboratory limestone line km lineaments located logged Lucknow magnetic magnetite mapped an area mica mineralisation minerals nala occur Orissa pegmatite phyllite pits power house Pradesh proposed pyrite quartz quartzite Region river rock types S/Shri samples were collected sandstone scale schist seams sediments shale shear zone Shri siltstone Singh slate spillway sq km Srivastava strike length studies Survey of India thickness tion tonnes toposheet traverse trending upto valley volcanic