Records of the Geological Survey of India, Volume 120, Part 1Geological Survey of India, 1991 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 138
... depth ) . Whereas borehole KB - 15 , 16 & 17 were drilled for one or two level intersections at 60-70 m ( first level ) and 100-110 m ( second level ) vertical depth over a strike length of 300 m . A total of 400 nos . borehole core ...
... depth ) . Whereas borehole KB - 15 , 16 & 17 were drilled for one or two level intersections at 60-70 m ( first level ) and 100-110 m ( second level ) vertical depth over a strike length of 300 m . A total of 400 nos . borehole core ...
Page 261
... depth to the bed rock under the sand.cover to guide the drilling for tin ore . Resistivity sounding employing Schlumberger elec- trode configuration with AB = 1000 m ( maximum ) has been conducted on 200 m grid pattern , with alignment ...
... depth to the bed rock under the sand.cover to guide the drilling for tin ore . Resistivity sounding employing Schlumberger elec- trode configuration with AB = 1000 m ( maximum ) has been conducted on 200 m grid pattern , with alignment ...
Page 262
... depth to competent rock was found to be 17 m at the only location that could be surveyed by seismic method . Seismic refraction surveys were successfully con- ducted for the first time ( in GSIS field operation ) in the water covered ...
... depth to competent rock was found to be 17 m at the only location that could be surveyed by seismic method . Seismic refraction surveys were successfully con- ducted for the first time ( in GSIS field operation ) in the water covered ...
Contents
CENTRAL HEADQUARTERS | 3 |
GEOPHYSICAL DIVISION | 16 |
MINERAL PHYSICS DIVISION | 22 |
Copyright | |
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Common terms and phrases
airborne alignment amphibolite analysis anomalies associated Background Information bands basalt basemetal basin Bihar biotite block borehole Calcutta carried out geotechnical chalcopyrite clay coal seams coalfield Code comprising copper core samples covering an area Deccan Deccan Trap deposits depth range Director DISTRICT drill cores dykes evaluation exploration exposed fault flows Formation geological mapping GEOLOGY DIVISION geophysical geotechnical investigation gneiss Gondwana grained granite gneiss gravity Group Headquarters Hydel indicated Karnataka Laboratory landsat Lats limestone located logging Madhya Pradesh magnetic Meghalaya million tonnes mineral mineralisation occur ophiolite Orissa pegmatite phyllite power house programme Project proposed quartz quartzite Rajasthan Raniganj REGIONAL GEOLOGY river rock types samples were collected sand sandstone scale schist sector sediments shale shear zone Shri spillway sq km sq km area strike length structural studies sulphide surface surveys thickness tion toposheet traverse trending tunnel upto varying West Bengal