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
... presence of thick lower Gondwana formations was established in these areas , no significant coal horizon was intersected . Regional exploration in the Godavari Valley Basin was continued in six blocks . In the northern extension of ...
... presence of thick lower Gondwana formations was established in these areas , no significant coal horizon was intersected . Regional exploration in the Godavari Valley Basin was continued in six blocks . In the northern extension of ...
Page 193
... presence of Barakar and / or Lower Kamthi coal seams in the blocks . The Barakar seams are mainly of coal with minor coal carbonaceous shale interbands and has relatively good coal content whereas the Lower Kamthi seam is mainly of an ...
... presence of Barakar and / or Lower Kamthi coal seams in the blocks . The Barakar seams are mainly of coal with minor coal carbonaceous shale interbands and has relatively good coal content whereas the Lower Kamthi seam is mainly of an ...
Page 218
... Presence of Verdine indicating local restricted circulation has been recorded . Presence of oolite , which is a shallow water product on the shelf , indicates transgression of the sea . In both the items , samples are from those ...
... Presence of Verdine indicating local restricted circulation has been recorded . Presence of oolite , which is a shallow water product on the shelf , indicates transgression of the sea . In both the items , samples are from those ...
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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