Records of the Geological Survey of India, Volume 105Geological Survey of India, 1973 - Earthquakes |
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Page 27
... covered by thick dense forest with undergrowths of shrubs and thorny bushes . Covered by the dense tropical rain forest and surrounded by the green mangrove trees with its spidery roots , the islands look impenetrable even from a close ...
... covered by thick dense forest with undergrowths of shrubs and thorny bushes . Covered by the dense tropical rain forest and surrounded by the green mangrove trees with its spidery roots , the islands look impenetrable even from a close ...
Page 44
... covered partly by scoriae and partly by ash and red clay . The western and northern slopes of the crater rim in particular are seamed by a number of cracks from 2.5 cm . to 30 cm . wide and upto 6 m . long through which steam and ...
... covered partly by scoriae and partly by ash and red clay . The western and northern slopes of the crater rim in particular are seamed by a number of cracks from 2.5 cm . to 30 cm . wide and upto 6 m . long through which steam and ...
Page 99
covered with a fine glacial dust . The boulders themselves were practi- cally devoid of any weathering effect . 2. Freshly exposed terminal moraines were found not only to be soggy but also covered with the typical glacial dust pointing ...
covered with a fine glacial dust . The boulders themselves were practi- cally devoid of any weathering effect . 2. Freshly exposed terminal moraines were found not only to be soggy but also covered with the typical glacial dust pointing ...
Contents
CONTENTS | 2 |
The Geology and Mineral Resources of the Andaman | 25 |
Geology of the Coal Measures in the Deccan Trap region | 69 |
Copyright | |
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80 mesh amphibolites analysed Andaman island anorthosites apatite bands Baraganda Baratang Baratang island basaltic basin beds Bihar biotite Bramlette and Riedel calc-granulite calcareous calcite carbonate Carboniferous charnockites chemical clay coal coalfield coalseams conglomerate copper deposition Discoaster district endothermic endothermic peak Eocene estherids fauna felspar figs folds foliation Formation fossil gabbro Gangamopteris garnetiferous geochemical Geol Geological Survey Geologist glacier gneisses Gondwana grained granitic gray anorthosites graywacke hill hornblende indicate khondalites limestone lodes Lower margins metadolerite metal Middle Andaman mineral mineralisation Mussoorie Nala Nicobar occur Orissa orthopyroxene oxides para-amphibolite Permian phenocrysts phosphate phosphorite pinnules plagioclase present pyroxene quartz quartzite rocks samples sandstone sedimentary sediments shales shear shows siltstone snout South Andaman Stradner strike length Surv Survey of India thickness Thinnfeldia tion tonnes trace element ultrabasic upto valley varies veins volcanic younger ortho-amphibolite Zemu glacier zone