Records of the Geological Survey of India, Volume 129, Parts 2-3The Survey, 1998 - 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 29
... tion of the coal seams in terms of macerals was synthesised to determine different petrological pa- rameters like Tissue Preservation Index ( TPI ) , Gelification Index ( GI ) , Reactive Index ( RI ) with a view to reconstruct the ...
... tion of the coal seams in terms of macerals was synthesised to determine different petrological pa- rameters like Tissue Preservation Index ( TPI ) , Gelification Index ( GI ) , Reactive Index ( RI ) with a view to reconstruct the ...
Page 75
... tion by drifts and drill holes has been conducted and the data of 22 drill holes and eight drifts aggregating a length of 1590.05m and 373.25m respectively have been evaluated in deciphering the rock conditions and stripping limit of ...
... tion by drifts and drill holes has been conducted and the data of 22 drill holes and eight drifts aggregating a length of 1590.05m and 373.25m respectively have been evaluated in deciphering the rock conditions and stripping limit of ...
Page 202
... tion at shallow depth in Tangardihi ( East ) block was carried out by 995.20m of drilling in five boreholes ( IBTE - 5 to IBTE - 9 ) . Two coal seam zones ( I & II ) have been established in split sections , each split having thickness ...
... tion at shallow depth in Tangardihi ( East ) block was carried out by 995.20m of drilling in five boreholes ( IBTE - 5 to IBTE - 9 ) . Two coal seam zones ( I & II ) have been established in split sections , each split having thickness ...
Contents
Stratigraphy Division | 11 |
Central Petrological Laboratories | 26 |
Geodata and Database Division | 43 |
Copyright | |
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Common terms and phrases
acid volcanics aeromagnetic amphibolite anomaly bands Barakar Barakar Formation Barren Measure basemetal basic basin belt Bhutan Bihar biotite block boreholes charnockite Chhotanagpur clay coal seams Coalfield coarse Code core covered depth district Division drilling dykes east eastern faults field season foliation geochemical GEOLOGICAL MAP geophysical GEOTECHNICAL INVESTIGATION Ghosh gneiss gneissic gold Gondwana grade grained granite granite gneiss grey ground evaluation heavy minerals India indicated intersected intrusives Kamthi laterite limestone lineament located magnetic mica schist migmatite mineralisation nala NW-SE occur Orissa OVERVIEW pegmatite phyllite plagioclase Pradesh programme Project Proterozoic Purulia Purulia district quartz quartz veins quartzite Raniganj REGIONAL EXPLORATION river samples sand sandstone scale schist seam zones sector sediments sequence shale shear zone Sikkim Singhbhum southern sq km sq.km STAGE GEOTECHNICAL INVESTIGATION strike length structure sulphide surface survey Talchir terrain thickness tion Toposheet trending ultramafic upto varies West Bengal