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 84
... thickness of 35 m . The other unit constitutes a doubly plunging anti- cline with N.-S. trending axis , and having a strike length of about 300 m . , with an average thickness of about 20-35 m . in the eastern and western limbs ...
... thickness of 35 m . The other unit constitutes a doubly plunging anti- cline with N.-S. trending axis , and having a strike length of about 300 m . , with an average thickness of about 20-35 m . in the eastern and western limbs ...
Page 72
... thickness proved in the boreholes so far is around 50 m . Barakars : These are composed of whitish to gray coloured medium to very coarse grained , argillaceous sandstones and grits which are poor- ly sorted . These are interbedded with ...
... thickness proved in the boreholes so far is around 50 m . Barakars : These are composed of whitish to gray coloured medium to very coarse grained , argillaceous sandstones and grits which are poor- ly sorted . These are interbedded with ...
Page 78
... thickness and consequently of no economic importance . The remaining five coalseams , III to VII , are recorded to be ranging in thickness from 1 to 28 m . They are persistent beds and markedly maintain their individuality in thickness ...
... thickness and consequently of no economic importance . The remaining five coalseams , III to VII , are recorded to be ranging in thickness from 1 to 28 m . They are persistent beds and markedly maintain their individuality in thickness ...
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