Records of the Geological Survey of India, Volume 113, Part 1government of India., 1978 - Geology 1867- includes the "Annual report of the Geological survey of India". |
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Page 129
... tunnel . A shear zone of 0.5m - 1m thickness , striking nearly parallel to the tunnel alignment for 150m length is also present . Yamuna Hydel scheme , Stage - II , Part II : B. S. Andotra and G. K. Kaistha carried out construc- tion ...
... tunnel . A shear zone of 0.5m - 1m thickness , striking nearly parallel to the tunnel alignment for 150m length is also present . Yamuna Hydel scheme , Stage - II , Part II : B. S. Andotra and G. K. Kaistha carried out construc- tion ...
Page 143
... tunnel alignment alternative II indicated the availability of sufficient rock cover along the tunnel alignment in this reach . Further exploratory programmes bedrock condition at the tunnel , intake , exit and the power house area . LAH ...
... tunnel alignment alternative II indicated the availability of sufficient rock cover along the tunnel alignment in this reach . Further exploratory programmes bedrock condition at the tunnel , intake , exit and the power house area . LAH ...
Page 145
... tunnel has been excavated upto a depth of 24m from a general elevation of 430m . The shaft is supported by ribs , rock - bolting and shotcrete . Progressively with excavations , 3 - D geological logging has been carried out . The shaft ...
... tunnel has been excavated upto a depth of 24m from a general elevation of 430m . The shaft is supported by ribs , rock - bolting and shotcrete . Progressively with excavations , 3 - D geological logging has been carried out . The shaft ...
Contents
OFF SHORE MINERAL EXPLORATION AND MARINE GEOLOGY DIVISION | 63 |
AIRBORNE MINERAL SURVEYS AND EXPLORATION WING | 75 |
NORTHERN REGION | 85 |
Copyright | |
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amphibolite analysis Andhra Pradesh anomaly zones Asstt attended bands Banerjee basalt basemetal basin belt Bihar block boreholes Calcutta carried chalcopyrite charnockite Chemical Circle clay COALFIELD covering an area Deccan Traps delineated deposits depth dips Director DISTRICT dykes exploration exposed folds foliation Formation fossils geochemical geological mapping Geologist Jr Geophysical investigations geotechnical geothermal Ghosh gneiss Gondwana granite gravity grey Group Gupta Headquarters Hydel India indicated Karnataka Kumar laboratory laterite limestone lineament logging Lucknow Madhya Pradesh magnetic magnetite Maharashtra mapped an area meeting metres migmatite million tonnes mineral mineralisation nala NW-SE occur Orissa pegmatite phyllite pitting power house Project quartz veins quartzite Quaternary Rajasthan Region river rock types S/Shri sandstone scale schist sediments seismic seismic refraction shale sheet Shri Singh spillway sq km sq km area Srivastava strike length studies sulphide Tamil Nadu thickness tion toposheet traverses trending tunnel upto