Records of the Geological Survey of India, Volume 123, Part 1The Survey, 2002 - 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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Results 1-3 of 91
Page 80
... range of 4.03m and 299.60m . The younger seams range in thickness from 1.25m to 2.10m . On the basis of exploration carried out an ' indi- cated ' reserve of 400m tonnes has been estimated . D. N. Bandyopadhyay , and D. Roy , were asso ...
... range of 4.03m and 299.60m . The younger seams range in thickness from 1.25m to 2.10m . On the basis of exploration carried out an ' indi- cated ' reserve of 400m tonnes has been estimated . D. N. Bandyopadhyay , and D. Roy , were asso ...
Page 81
... range of 62.40m and 442.00m over a strike length of about 9 km . Details of coal seams are given below .- Coal Seam No. Thickness Range 1.52m to 2.64m ΙΑ Thickness Range I 0.73m to 1.60m II 0.78m to 2.59m 1.46m III B 0.57m to 1.67m III ...
... range of 62.40m and 442.00m over a strike length of about 9 km . Details of coal seams are given below .- Coal Seam No. Thickness Range 1.52m to 2.64m ΙΑ Thickness Range I 0.73m to 1.60m II 0.78m to 2.59m 1.46m III B 0.57m to 1.67m III ...
Page 169
... range from < 20 ppm to 820 ppm , Pb values range from << 20 ppm to 45 ppm , Zn values range from 20 ppm to 500 ppm , Ni values range from < 20 ppm to 265 ppm and Co values range from 20 ppm to 75 ppm . A few samples from the Khondalitic ...
... range from < 20 ppm to 820 ppm , Pb values range from << 20 ppm to 45 ppm , Zn values range from 20 ppm to 500 ppm , Ni values range from < 20 ppm to 265 ppm and Co values range from 20 ppm to 75 ppm . A few samples from the Khondalitic ...
Contents
CENTRAL HEADQUARTERS | 1 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 46 |
COAL WING | 72 |
Copyright | |
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alignment amphibolite analysed Andhra Pradesh anomaly assess associated bands basalt basaltic flows basin Bihar Bihar Code block boreholes clay coal Coalfield comprises covered cut-off trench dam axis Deccan Trap delineated deposits depth Director district Code DIVISION Headquarters dolerite drilling dykes earth dam excavation exploration exposed field season Formation foundation geochemical geological mapping GEOLOGY DIVISION geophysical geotechnical investigation gneiss gold Gondwana grained granite granite gneiss gravity grey Group holes indicated intrusive irrigation limestone located magnetic Maharashtra migmatite mineral mineralisation Nagpur nala occur Orissa Orissa Code pegmatite phyllite porphyritic power house proposed quartz quartz veins quartzite Quaternary Raniganj Regional reservoir river rock types sand sandstone scale schist schist belt seams sediments shale shear zone Singhbhum soil spillway sq km sq km area stage geotechnical investigation strike length suggested sulphide Supergroup surface surveys thickness tion Toposheet traverses trending tunnel upto West Bengal