Records of the Geological Survey of India, Volume 126, Part 2Government of India, 1991 - 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 212
... varies from 15 to 20m in 25 to 45m isobaths to 5 to 10m in 45 to 65m isobaths and thins down to 2 to 5m close to the ... varies from 18 to 96 % and mean size of sand frac- tion varies from 0.53 to 2.5 phi . Sand content of the sediments ...
... varies from 15 to 20m in 25 to 45m isobaths to 5 to 10m in 45 to 65m isobaths and thins down to 2 to 5m close to the ... varies from 18 to 96 % and mean size of sand frac- tion varies from 0.53 to 2.5 phi . Sand content of the sediments ...
Page 250
... varies within a wide range - from 16.4 % to 44.9 % . The grade of the coal seam zones I & II varies from E to F & D to E respectively . The grade of coal seam zone III varies from C to D and that of coal seam zone IV from B to E. The ...
... varies within a wide range - from 16.4 % to 44.9 % . The grade of the coal seam zones I & II varies from E to F & D to E respectively . The grade of coal seam zone III varies from C to D and that of coal seam zone IV from B to E. The ...
Page 277
... varies from 34.82m ( KBW10 ) to 87.59m ( KBW8 ) A local seam ( L4 ) of 4.58m thickness is developed over Kusmunda ( upper ) seam in borehole number KBW - 10 only . The inferred outcrops of seam nos . ' C ' and ' D ' are shown in Plate I ...
... varies from 34.82m ( KBW10 ) to 87.59m ( KBW8 ) A local seam ( L4 ) of 4.58m thickness is developed over Kusmunda ( upper ) seam in borehole number KBW - 10 only . The inferred outcrops of seam nos . ' C ' and ' D ' are shown in Plate I ...
Contents
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 121 |
Geodata and Information Division | 141 |
Overview of the Deputy Director General | 195 |
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Common terms and phrases
aeromagnetic amphibolite analysis ANDHRA PRADESH anomalies bands Barakar Formation Barren Measures Formation basement basin belt Bengal Bihar Birbhum block boreholes calcareous carbonaceous carbonaceous shale clayey coal bearing coal seams COAL WING coarse grained Code cores covered cruise deposition DISTRICT drilled east EXPLORATION FOR COAL fault field season foraminifera geochemical GEOLOGICAL MAP geophysical gneiss Godavari Valley Gondwana grade grained sandstone granite heavy mineral INDEX intersected investigation isobath Kamthi Formation Lakshadweep lignite lime mud limestone located lower MADHYA PRADESH magnetic medium grained METAMORPHICS million tonnes mineralisation NW-SE occur ooids Orissa phyllite PLATE PLATE-I potentiality Precambrian quartz quartzite Rajmahal Raniganj Raniganj Formation Regional exploration ridge rocks Sakoli samples sand sandstone scale schist seam zones sector sediments sequence SHAHDOL DISTRICT shale shelf siltstone slope Sohagpur sq km strike studies sub-surface Survey of India Talchir Formation Toposheet trending upto VALLEY COALFIELD water depth