Records of the Geological Survey of India, Volume 119, Part 1government of India., 1989 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 81
... tunnel on Chikalda plateau , ( d ) pressure tunnel , underground power house and reversible turbines , ( e ) tail race tunnel and ( f ) lower dam in the lower reaches of the Datpadi nala for generation of 550 MW of power . S. R. Pradhan ...
... tunnel on Chikalda plateau , ( d ) pressure tunnel , underground power house and reversible turbines , ( e ) tail race tunnel and ( f ) lower dam in the lower reaches of the Datpadi nala for generation of 550 MW of power . S. R. Pradhan ...
Page 285
... tunnel . He has reviewed the data and based on the present studies indicated that the rock cover at critical locations above the tunnel varied from 15 m to 27 m . The steel liner has been proposed to be extended in the tunnel by 60 m to ...
... tunnel . He has reviewed the data and based on the present studies indicated that the rock cover at critical locations above the tunnel varied from 15 m to 27 m . The steel liner has been proposed to be extended in the tunnel by 60 m to ...
Page 287
... tunnel ex- cavated from inlet portal side . Tunnelling has not indica- ted any abnormal overbreak from ch . 0 to 161.87 m ( tunnel bend joint ) as the general trend of foliation is about 50 ° askew to the tunnel alignment whereas abnor ...
... tunnel ex- cavated from inlet portal side . Tunnelling has not indica- ted any abnormal overbreak from ch . 0 to 161.87 m ( tunnel bend joint ) as the general trend of foliation is about 50 ° askew to the tunnel alignment whereas abnor ...
Contents
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 32 |
RESEARCH AND DEVELOPMENT DIVISION | 41 |
MAP COMPILATION PUBLICATION AND INFORMATION DIVISION | 48 |
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amphibolite analysis Andhra Pradesh anomaly Asstt bands Banerjee basalt basin bed rock belt Bijawar biotite block boreholes Calcutta Chakraborty charnockite chemical clay coal comprising covered Deccan Trap deposits depth dips Director district DIVISION Headquarters Divn dolomite dykes exploration exposed field season folds Formation fossils geochemical geological mapping Geologist Jr Geology Division geophysical geotechnical investigation Ghosh gneiss Gondwana grade granite gneiss grey Gupta Hyderabad indicated Jaipur Kumar Laboratory limestone line km located logging Lucknow magnetic mica schist million tonnes mineral mineralisation Mishra Mukherjee Nagpur occurs pegmatites phyllite power house Pradesh quartz quartz veins quartzite Quaternary Rajasthan Regional river rock types S.T.A. Geology S/Shri sand sandstone scale schist seams sediments shale Sharma shear zone sheets Shillong Shri siltstone Singh spillway sq km sq km area Srivastava strike length studies sulphide surface surveys thickness tion traverses trench trending tunnel