Records of the Geological Survey of India, Volume 105The Survey, 1973 - Earthquakes Includes the Annual report of the Geological Survey of India, 1867- |
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Page 213
... foundation valve house . He reported that the power house foundation , service bay foundation , machine hall foundation and the penstock ledges are composed of fresh and hard biotite gneiss and hornblende gneiss ; these rocks have ...
... foundation valve house . He reported that the power house foundation , service bay foundation , machine hall foundation and the penstock ledges are composed of fresh and hard biotite gneiss and hornblende gneiss ; these rocks have ...
Page 352
... foundation rocks in the river section and abutments has to be determined . It has been suggested that before any masonry work is started it should be ensured that excavation of the foundation on either side is completed to a distance of ...
... foundation rocks in the river section and abutments has to be determined . It has been suggested that before any masonry work is started it should be ensured that excavation of the foundation on either side is completed to a distance of ...
Page 414
... foundation rock in the spillway section is highly jointed and fractured hence consolidation grouting of the foundation through drill holes at sufficiently close intervals has been recommended . Exploration to ascer- tain the possible ...
... foundation rock in the spillway section is highly jointed and fractured hence consolidation grouting of the foundation through drill holes at sufficiently close intervals has been recommended . Exploration to ascer- tain the possible ...
Contents
CENTRAL HEADQUARTERS | 1 |
NORTHERN REGION | 46 |
ORGANISATIONAL SET UP | 437 |
Copyright | |
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alignment alluvium amphibolite Andaman Andhra Pradesh anorthosites Archaean bands Baratang basalt basin bauxite beds Bihar biotite boreholes Carboniferous carried charnockite Circle clay coal coalfield conglomerate copper Deccan Trap deposits depth to water dips Director district Division dolerite dolomite drill holes dykes exploration exploratory exposed folds foliation Formation fossils garnetiferous geochemical geohydrological geological mapping Geological Survey Geologists Jr geophysical gneisses Gondwana grade grained granite groundwater Group horizon indicated investigation island Kashmir km on scale Laboratory laterite limestone located logging Madhya Pradesh mapped an area mapped on scale metres million tonnes mineral mineralisation nala occur pegmatite phosphorite phyllite pits Project pyrite quartz veins quartzite Rajasthan regional river rock types samples sandstone Sarvashri schist seams sediments shales Sharma shear zones Shri Singh slate spillway sq km strike length studies Survey of India thickness tion topo-sheets traversed trend tunnel ultrabasic Upper upto valley varies