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". |
From inside the book
Results 1-3 of 90
Page 62
... zone of the gra- nite body with Archaean gneisses and Shillong Group assumes importance for a possible occurrence of sul- phide mineralisation . The NW - SE trending Kynshi fault is to be examined for possible hydrothermal and / or ...
... zone of the gra- nite body with Archaean gneisses and Shillong Group assumes importance for a possible occurrence of sul- phide mineralisation . The NW - SE trending Kynshi fault is to be examined for possible hydrothermal and / or ...
Page 143
... Zone - II is located 300-500 m north of Zone - I . In Khobna Zone - II , the aggregate width of greisens varies from 0.75 m ( KH - 9 ) to 16.40 m ( KH - 16 ) . The ' W ' content ranges from 0.01 % to 0.05 % , out of 258 samples analysed ...
... Zone - II is located 300-500 m north of Zone - I . In Khobna Zone - II , the aggregate width of greisens varies from 0.75 m ( KH - 9 ) to 16.40 m ( KH - 16 ) . The ' W ' content ranges from 0.01 % to 0.05 % , out of 258 samples analysed ...
Page 351
... zone over 200 m . The third I.P. anomaly zone lies to the NE of Belwa and extends over a strike length of 800 m . It has a chargeability contrast of about 4-10 m sec and is located over reef quartz . This zone shows depth persistence ...
... zone over 200 m . The third I.P. anomaly zone lies to the NE of Belwa and extends over a strike length of 800 m . It has a chargeability contrast of about 4-10 m sec and is located over reef quartz . This zone shows depth persistence ...
Contents
CENTRAL HEADQUARTERS | 3 |
GEOPHYSICAL DIVISION | 16 |
MINERAL PHYSICS DIVISION | 22 |
Copyright | |
23 other sections not shown
Other editions - View all
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