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 143
... Barakar Formations unconformably underlain by Metamorphics . Barren Measures Formation is represented mainly by black shale with scattered quartz grains , sideritic bands , thick sandstone bands with lamprophyre intrusions at places .
... Barakar Formations unconformably underlain by Metamorphics . Barren Measures Formation is represented mainly by black shale with scattered quartz grains , sideritic bands , thick sandstone bands with lamprophyre intrusions at places .
Page 157
... Barakar Formation . Altogether 13 boreholes were drilled in the above two blocks during this period intersecting 3265 m strata of Barakar and Supra Barakar sediments . An area of 11.5 Sq . km was also covered by large scale ( 1 : 10,000 ) ...
... Barakar Formation . Altogether 13 boreholes were drilled in the above two blocks during this period intersecting 3265 m strata of Barakar and Supra Barakar sediments . An area of 11.5 Sq . km was also covered by large scale ( 1 : 10,000 ) ...
Page 184
... Barakar Formation in the south and east and Raniganj Formation in the rest of the area . The upper part of Talchir Formation , so far intersected , is composed of green to greenish grey , fine to medium grained sandstone , siltstone ...
... Barakar Formation in the south and east and Raniganj Formation in the rest of the area . The upper part of Talchir Formation , so far intersected , is composed of green to greenish grey , fine to medium grained sandstone , siltstone ...
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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