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 57
... holes have been drilled involving 2265.10 m drilling . The results have indicated the presence of lead - zinc . occurrence over a strike length of 1.2 km . One zone of 200 m long and 40 m thick having around 4 % Pb and Zn has been ...
... holes have been drilled involving 2265.10 m drilling . The results have indicated the presence of lead - zinc . occurrence over a strike length of 1.2 km . One zone of 200 m long and 40 m thick having around 4 % Pb and Zn has been ...
Page 109
... holes , it has been suggested to drill alternate holes for the above purpose . Two inclined boreholes at angle of 45 ° towards upstream and down- stream have also been recommended for exploring the contact of dyke with the country rock ...
... holes , it has been suggested to drill alternate holes for the above purpose . Two inclined boreholes at angle of 45 ° towards upstream and down- stream have also been recommended for exploring the contact of dyke with the country rock ...
Page 174
... holes , two from the power house site and one from the forebay site . Verma favours a head - race tunnel against the pro- posal of surface water conductor system and recommends an in - depth geological feasibility and economic study ...
... holes , two from the power house site and one from the forebay site . Verma favours a head - race tunnel against the pro- posal of surface water conductor system and recommends an in - depth geological feasibility and economic study ...
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