Records of the Geological Survey of India, Volume 105The Survey, 1975 - Earthquakes 1867- includes the "Annual report of the Geological survey of India". |
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Page 407
... basalt . Construction of a masonry dam in the main gorge would involve a number of problems , chief of them being diffe- rential settlement . Therefore , construction of an earth or rock - fill dam in the main valley and a chute ...
... basalt . Construction of a masonry dam in the main gorge would involve a number of problems , chief of them being diffe- rential settlement . Therefore , construction of an earth or rock - fill dam in the main valley and a chute ...
Page 412
... basalts are present . A few dolerite and trap dykes occur in the basalt . Water pressure tests for nine holes drilled on the downstream side of the dam which indicated fresh amygdaloidal basalt and foundation mapping of the remaining ...
... basalts are present . A few dolerite and trap dykes occur in the basalt . Water pressure tests for nine holes drilled on the downstream side of the dam which indicated fresh amygdaloidal basalt and foundation mapping of the remaining ...
Page 417
... basalt are exposed . Drill cores indicated volcanic tuff and tuff breccia below the basalt . In case of tunnel , the crown level will have to be kept below RL 65 mcd for safe tunnelling . Joints , shears and faults in the basalt may ...
... basalt are exposed . Drill cores indicated volcanic tuff and tuff breccia below the basalt . In case of tunnel , the crown level will have to be kept below RL 65 mcd for safe tunnelling . Joints , shears and faults in the basalt may ...
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Common terms and phrases
abutment alignment alluvium amphibolite Andhra Pradesh bands Banerjee basalt bauxite bedrock Bihar biotite block boreholes carried out systematic charnockite clay coal Coalfield copper Deccan Trap deposits depth to water dips Director district Division dolerite dolomite drill holes Dutta dykes Engineer examined exploration exposed folds foliation Formation geochemical geohydrological geological mapping Geologists Jr geophysical Ghosh gneisses grade granite groundwater grouting Himachal Pradesh Hydel indicated investigation Jammu Kashmir km on scale Laboratory laterite limestone located logging Madhya Pradesh mapped an area mapped on scale meterage metres million tonnes Mineral mineralisation Mysore nala occur pegmatite phosphorite phyllite pits power house Project pyrite quartz veins quartzite RAJASTHAN recommended Region river rock types samples sandstone Sarvashri schist seams sediments shale Sharma shear zones Shri Singh slate spillway sq km Srivastava strike length studies surveys systematic geohydrological taluk thickness Topo topo-sheets traverse trending tubewells tunnel upto Uttar Pradesh