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 194
... thickness from 2.10 m to 28.03 m with cumulative thickness of coal rang- ing from 1.30 m to 11.93 m . The seam zones II , IV and VII are significant for their thickness and coal content . Continuity of the coal seam zones along strike ...
... thickness from 2.10 m to 28.03 m with cumulative thickness of coal rang- ing from 1.30 m to 11.93 m . The seam zones II , IV and VII are significant for their thickness and coal content . Continuity of the coal seam zones along strike ...
Page 199
... Thickness of combined Barakar topmost VI - VIII coal seam zones was seen to vary from 16.72m to 47.39m and the cumulative thickness of coal from 6.46m to 22.75m . The coal seam zone III , which occurs mostly in three split sections ...
... Thickness of combined Barakar topmost VI - VIII coal seam zones was seen to vary from 16.72m to 47.39m and the cumulative thickness of coal from 6.46m to 22.75m . The coal seam zone III , which occurs mostly in three split sections ...
Page 201
... thickness of 17.83m of an individual zone but the cummulative thickness of all the coal seams varies from 50 m . to 69 m . Analytical results of all the coal seams are awaited . Regional exploration to assess the coal resources in ...
... thickness of 17.83m of an individual zone but the cummulative thickness of all the coal seams varies from 50 m . to 69 m . Analytical results of all the coal seams are awaited . Regional exploration to assess the coal resources in ...
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