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 54
... anomalies were evaluated . 21 closed circular isolated or otherwise significant aeromagnetic features were identi- fied for ground checking . Present Work : Ground evaluation of 135 aero - EM anomalies and one aero - magnetic anomaly in ...
... anomalies were evaluated . 21 closed circular isolated or otherwise significant aeromagnetic features were identi- fied for ground checking . Present Work : Ground evaluation of 135 aero - EM anomalies and one aero - magnetic anomaly in ...
Page 260
... anomaly zone trending NW - SE for about 800 m roughly follows the strike of the geological formations . S. P. Survey also brought out anomaly zones cor- responding to the I.P. anomalies , varying in magnitude from ( negative ) 50 mV to ...
... anomaly zone trending NW - SE for about 800 m roughly follows the strike of the geological formations . S. P. Survey also brought out anomaly zones cor- responding to the I.P. anomalies , varying in magnitude from ( negative ) 50 mV to ...
Page 351
... anomaly of 40 gammas . These surveys are proposed to be continued during 1986-87 . were Vertical component magnetic measurements carried out in the northern part of Bikaner district , covering an area of 1700 km with 1580 measurements ...
... anomaly of 40 gammas . These surveys are proposed to be continued during 1986-87 . were Vertical component magnetic measurements carried out in the northern part of Bikaner district , covering an area of 1700 km with 1580 measurements ...
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