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 43
... resistivity with increasing radial distance from the source electrode . In developing his method of intersecting arcs for interpretation of resistivity data , it has been conceptualized that in an otherwise homogeneous medium , for a ...
... resistivity with increasing radial distance from the source electrode . In developing his method of intersecting arcs for interpretation of resistivity data , it has been conceptualized that in an otherwise homogeneous medium , for a ...
Page 46
... resistivity sounding points in Chandannagar - Bhadreswar area is shown in Fig . 1 . The contour map of true resistivity at different depths has brought out the 3 - D distribution of formations in the area . The surface resistivity map ...
... resistivity sounding points in Chandannagar - Bhadreswar area is shown in Fig . 1 . The contour map of true resistivity at different depths has brought out the 3 - D distribution of formations in the area . The surface resistivity map ...
Page 58
... resistivity values ( around 200-400 Ohm.m ) . 2 . The resistivity range of Tertiary formation is found to lie between 30 and 60 Ohm.m. In present survey the trap has reflected lower resistivity ( 25-50 Ohm.m ) value than expectd . It ...
... resistivity values ( around 200-400 Ohm.m ) . 2 . The resistivity range of Tertiary formation is found to lie between 30 and 60 Ohm.m. In present survey the trap has reflected lower resistivity ( 25-50 Ohm.m ) value than expectd . It ...
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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