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 35
... present study deals with depolymerisation of extracts obtained by extraction of coal with pyridine for different periods of time till complete extraction . The depolymerised products were further fractioned and the fractions were ...
... present study deals with depolymerisation of extracts obtained by extraction of coal with pyridine for different periods of time till complete extraction . The depolymerised products were further fractioned and the fractions were ...
Page 114
... present area may be due to the fact that they represent an early stage of magmatic evolution , as Cu , Ni , Co and even Zn are present in good amount in rocks corresponding to the later stages of norite crystallisation ( Goldschmidt ...
... present area may be due to the fact that they represent an early stage of magmatic evolution , as Cu , Ni , Co and even Zn are present in good amount in rocks corresponding to the later stages of norite crystallisation ( Goldschmidt ...
Page 207
... present specimen the pinnules are shorter and much broader with a longer and narrower base . There is a sharp contrast in venation also . While T. indica possesses a feebly marked mid - rib from which the secondary veins are given off ...
... present specimen the pinnules are shorter and much broader with a longer and narrower base . There is a sharp contrast in venation also . While T. indica possesses a feebly marked mid - rib from which the secondary veins are given off ...
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