Records of the Geological Survey of India, Volume 131, Parts 6-8Government of India, 1996 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 4
... tunnels , of these , sixteen tunnels have been completed and the remaining tunnels , are under construction . Besides examining the tunnel alignment between km 25.220 and km 25.374 , geological logging aggregating 79850m . of tunnel Nos ...
... tunnels , of these , sixteen tunnels have been completed and the remaining tunnels , are under construction . Besides examining the tunnel alignment between km 25.220 and km 25.374 , geological logging aggregating 79850m . of tunnel Nos ...
Page 39
... tunnel alignment at its crossing with Duhangan nala from El + 1750m , down to a depth of 92.96m . This reveals a rock cover of around 15m above the tunnel grade . The data is under processing for complete evaluation of the scheme ...
... tunnel alignment at its crossing with Duhangan nala from El + 1750m , down to a depth of 92.96m . This reveals a rock cover of around 15m above the tunnel grade . The data is under processing for complete evaluation of the scheme ...
Page 172
... tunnel is enlarged to full section by benching down . Between RD 0.0m and 15 km , the excavated length of the tunnel has run through gneiss and augen gneiss which in general is hard , competent , moderately jointed and fresh , traversed ...
... tunnel is enlarged to full section by benching down . Between RD 0.0m and 15 km , the excavated length of the tunnel has run through gneiss and augen gneiss which in general is hard , competent , moderately jointed and fresh , traversed ...
Contents
Project Betul Belt 115 | |
Palaentology Division 132 | |
Geothermal Division 161 | |
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Common terms and phrases
Alluvium amphibolite anomaly bands basalt base metal basement basin bed rock biotite block borehole chalcopyrite chlorite clay comprising cover Deccan Trap Delhi Supergroup deposits depth dipping district dolomite drilling dykes earthquake excavated exposed fault Field Season foliation Formation geochemical Geoenvironmental appraisal geological mapping geophysical GEOTECHNICAL INVESTIGATION glacier gneiss gold grained granite Granitoid gravity grey Group of rocks Haryana Himachal Pradesh indicated intersected km² limestone lineament located logging MADHYA PRADESH magnetic Maharashtra metamorphism migmatites mineral mineralised zones nala NE-SW occur pegmatite phyllite Project Proterozoic quartz quartz reefs quartz veins quartzite Quaternary Rajasthan Region river samples sandstone scale schist sediments sequence shale shear zone slope soil Sonbhadra district sq km strike length structure studies Supergroup surface surveys tectonic thick toposheet traversed trending tuff tunnel upto valley volcanics एवं का कार्य किया गया की के क्षेत्र गए तथा पर मी में से हेतु है