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 61
... shear zone and also along Bankura - Purulia shear zone with a view to locating possible basemetal mineralisation and identify characteristic geological and geophysical indications favourable for sulphide mineralisation . Background ...
... shear zone and also along Bankura - Purulia shear zone with a view to locating possible basemetal mineralisation and identify characteristic geological and geophysical indications favourable for sulphide mineralisation . Background ...
Page 294
... shear zones trending in a general NNW - SSE to N - S direction , are met with in the granitoid complex . The shear zones are usually upto about 3 metres wide ( occasionally even upto 10 metres ) . Thin veins of secondary quartz at ...
... shear zones trending in a general NNW - SSE to N - S direction , are met with in the granitoid complex . The shear zones are usually upto about 3 metres wide ( occasionally even upto 10 metres ) . Thin veins of secondary quartz at ...
Page 347
... shear zones and two argillaceous sandstone beds showing sheared contacts with the inter - bedded quartzite occurring ... shear plugs to ensure adequate sliding and shear fiction factor for safety of the struc- ture . Concrete shear keys ...
... shear zones and two argillaceous sandstone beds showing sheared contacts with the inter - bedded quartzite occurring ... shear plugs to ensure adequate sliding and shear fiction factor for safety of the struc- ture . Concrete shear keys ...
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