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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Results 1-3 of 84
Page 231
... boreholes GS - 30 , 32 , GG - 3,4,5,7,8,9,10 and 12 at different depth lev- els and correlated as zone ' A ' , ' B ' and ' C ' in ascend- ing order . Zones ' B ' and ' C ' have been encountered in the boreholes GC - 7 and GC - 12 ...
... boreholes GS - 30 , 32 , GG - 3,4,5,7,8,9,10 and 12 at different depth lev- els and correlated as zone ' A ' , ' B ' and ' C ' in ascend- ing order . Zones ' B ' and ' C ' have been encountered in the boreholes GC - 7 and GC - 12 ...
Page 264
... boreholes stands at 20,175 ,. Two / Three runs were made in each borehole to acquire data on electrical , radioactivity and thermal parameters of the For- mations . During 1994-95 F.S. seven ( 7 ) boreholes were logged in Rajmahal ...
... boreholes stands at 20,175 ,. Two / Three runs were made in each borehole to acquire data on electrical , radioactivity and thermal parameters of the For- mations . During 1994-95 F.S. seven ( 7 ) boreholes were logged in Rajmahal ...
Page 265
... boreholes in the Rajmahal Coalfield ( total meterage logged was 1716 m ) , 1 s ( one ) borehole in the South Karanpura Coalfield ( total meterage logged was 400m ) , 3 ( three ) bore- holes in Auranga Coalfields ( total meterage logged ...
... boreholes in the Rajmahal Coalfield ( total meterage logged was 1716 m ) , 1 s ( one ) borehole in the South Karanpura Coalfield ( total meterage logged was 400m ) , 3 ( three ) bore- holes in Auranga Coalfields ( total meterage logged ...
Contents
Stratigraphy Division | 11 |
Central Petrological Laboratories | 26 |
Geodata and Database Division | 43 |
Copyright | |
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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