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 155
... exposed between Yazali and Khetabari area and has been named as the Khetabari Formation . Grey coloured quartzite , sometimes with thin banding of phyllite or muscovite - schists , is the predominent rock type , the graphitic schist and ...
... exposed between Yazali and Khetabari area and has been named as the Khetabari Formation . Grey coloured quartzite , sometimes with thin banding of phyllite or muscovite - schists , is the predominent rock type , the graphitic schist and ...
Page 342
... exposed only in the southern limb of the syncline for a strike length of 5 km . The middle clay horizon , though exposed in both the limbs , is discontinuous over a strike length of about 15 km along the northern limb . The upper clay ...
... exposed only in the southern limb of the syncline for a strike length of 5 km . The middle clay horizon , though exposed in both the limbs , is discontinuous over a strike length of about 15 km along the northern limb . The upper clay ...
Page 356
... exposed fresh and sound granite gneiss . Fresh rocks below were open jointed and , therefore , grouting for consolidation was necessary . Even after grouting through closely spaced holes , the permeability is more than 10 lugeons . A ...
... exposed fresh and sound granite gneiss . Fresh rocks below were open jointed and , therefore , grouting for consolidation was necessary . Even after grouting through closely spaced holes , the permeability is more than 10 lugeons . A ...
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