Records of the Geological Survey of India, Volume 92The Survey, 1962 - Earthquakes Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 191
... Resistivity Rocks when dry , or granular rocks when charged with fresh water are highly resistive to the passage of electrical current through them . Elec- trical resistivity of a rock in situ is controlled by the degree of saturation ...
... Resistivity Rocks when dry , or granular rocks when charged with fresh water are highly resistive to the passage of electrical current through them . Elec- trical resistivity of a rock in situ is controlled by the degree of saturation ...
Page 192
... resistivity of the formations is recorded through these resistivity curves , and the true resistivity of beds can be computed therefrom . Use of single - electrode loggers is generally recommended for problems connected with groundwater ...
... resistivity of the formations is recorded through these resistivity curves , and the true resistivity of beds can be computed therefrom . Use of single - electrode loggers is generally recommended for problems connected with groundwater ...
Page 193
... resistivity of the drilling fluid from time to time during the pro- gress of drilling , and for the determination of formation resistivity factor ' F ' of drill cuttings from granular rocks . Interpretation A composite electrical log ...
... resistivity of the drilling fluid from time to time during the pro- gress of drilling , and for the determination of formation resistivity factor ' F ' of drill cuttings from granular rocks . Interpretation A composite electrical log ...
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44th Ind alluvium altitude Andhra aquifer Archaean B.Sc Banaras banded hematite-quartzite basin beds belt Bihar block Bombay boreholes Calcutta Circle clay coal seams colour Congr Cuddapah deposits depth DISTRICT Shri East Economic Geology electrical logging epeirogeny examined ferruginous foliation foraminifera formations fossils furlongs G.S.I. bench-mark G.S.I. Type gallons U.S. Geol geological mapping Geological Survey Geologist gneisses Gondwana granite groundwater Hamzah Headquarters Cal hematite India Industr investigated iron-ore Karanpura coalfield laterite lignite limestones Located lodes m.s.l. Drilled M.Sc Madhya Pradesh Madras magnetite miles mineral mineralisation Murthy Mysore Neyveli occur Orissa Pradesh.-Shri Proc psilomelane Punjab quarry quartz quartzites Rajasthan Ratanpur reported river rock types samples sand sandstones Sarvashri schists Section sediments shales Shri M. S. Sinha specimens Srivastava structure Surv Survey of India Talchir taluk thickness topo-sheets total dissolved solids veins village West Bengal zone