Records of the Geological Survey of India, Volume 131, Part 2The Survey, 1996 - 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 156
... varying from 10.13 m to 17.20 m . It was found to be better developed towards north western part of the block . Seam No.IX , which varies in thickness from 11.34 m to 15.05 m . was intersected between SCALE 1 : 50,000 . G.S. Boreholes ...
... varying from 10.13 m to 17.20 m . It was found to be better developed towards north western part of the block . Seam No.IX , which varies in thickness from 11.34 m to 15.05 m . was intersected between SCALE 1 : 50,000 . G.S. Boreholes ...
Page 157
... varying from 0.55 m to 4.66 m . All the Barakar coal seams were intersected in borehole no.TNA - 10 between the depths of 37.85 m and 323.15 m . Maximum thickness of a coal seam was 16.15 m and it was correlated with the combined ...
... varying from 0.55 m to 4.66 m . All the Barakar coal seams were intersected in borehole no.TNA - 10 between the depths of 37.85 m and 323.15 m . Maximum thickness of a coal seam was 16.15 m and it was correlated with the combined ...
Page 193
... varying in thickness from 36.30 - 39.30m was intersected at a roof depth varies from 239.25 to 360.95m . In Yellandu area , a 9.90m thick interbanded carbonaceous shale - coal horizon was intersected at a roof depth of 320.20m . In ...
... varying in thickness from 36.30 - 39.30m was intersected at a roof depth varies from 239.25 to 360.95m . In Yellandu area , a 9.90m thick interbanded carbonaceous shale - coal horizon was intersected at a roof depth of 320.20m . In ...
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Common terms and phrases
aerogeophysical aeromagnetic airborne geophysical analysis anomaly assemblage Barakar Barakar coal seams Barakar Formation basin belt Bhutan Bihar biotite block borehole carbonaceous carbonatite carried chlorite clay Coalfield coarse grained Code continued covered Cruise database delineated depth district Division drilling Dzongkhag east eastern exploration for coal faults field season foliation garnet geochemical sampling geological mapping gneiss gold mineralisation Gondwana grade granite granulite grey Ground evaluation Group heavy mineral identified India indicated interpretation intersected investigation isotopic Kamthi layered lignite limestone located Madhya Pradesh mafic magnetic metamorphism multisensor Nagpur district Neoproterozoic occur Orissa OVERVIEW phyllite plagioclase programme quartz quartz veins quartzite Rajasthan range Raniganj Regional exploration sand sandstone scale schist seabed seam zones sections sector sediments sequence shale shallow shear zone shelf Singhbhum Sohagpur sq km studies Sub-project sulphide surface surveys Talchir Formation thickness Toposheet traverse trending ultramafic upto Valley values varying volcanics