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 129
... intersected . Additional reserve of 105 million tonnes of coal of unclassified category in Mand - Raigarh coalfield has been estimated . In Korba Coalfield , exploration in the Karkoma block established the existence of four regional ...
... intersected . Additional reserve of 105 million tonnes of coal of unclassified category in Mand - Raigarh coalfield has been estimated . In Korba Coalfield , exploration in the Karkoma block established the existence of four regional ...
Page 157
... intersected during this Field Season . A few thin coal seams were intersected in the borehole no.TNA - 9 between the depths of 45.60 m and 255 m with seam thickness varying from 0.55 m to 4.66 m . All the Barakar coal seams were ...
... intersected during this Field Season . A few thin coal seams were intersected in the borehole no.TNA - 9 between the depths of 45.60 m and 255 m with seam thickness varying from 0.55 m to 4.66 m . All the Barakar coal seams were ...
Page 193
... intersected at roof depth of 481.70m . Queen Seam of 3.12m thickness was intersected at a roof depth of 431.48m . The Lower Kamthi seam ( Seam- I ) varying in thickness from 36.30 - 39.30m was intersected at a roof depth varies from ...
... intersected at roof depth of 481.70m . Queen Seam of 3.12m thickness was intersected at a roof depth of 431.48m . The Lower Kamthi seam ( Seam- I ) varying in thickness from 36.30 - 39.30m was intersected at a roof depth varies from ...
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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