Records of the Geological Survey of India, Volume 105Geological Survey of India, 1973 - Earthquakes |
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Page 29
... reported occurrences of copper , iron , chromium , and platinum ores . None of the occurrences proved to be of any economic value . Mallet together with Hobday of the Survey of India , made a detailed study of the two volcanoes . In ...
... reported occurrences of copper , iron , chromium , and platinum ores . None of the occurrences proved to be of any economic value . Mallet together with Hobday of the Survey of India , made a detailed study of the two volcanoes . In ...
Page 46
... reported from South Andaman , but the Diglipur Formation described by Roy- chowdhury and Sarkar ( 1968 ) from the North Andaman includes mem- bers of this formation . The basal portion of this formation has been affected by serpentinous ...
... reported from South Andaman , but the Diglipur Formation described by Roy- chowdhury and Sarkar ( 1968 ) from the North Andaman includes mem- bers of this formation . The basal portion of this formation has been affected by serpentinous ...
Page 88
... tremors , rise in the discharge as well as temperature of water of the thermal springs in the Thana , Kolaba and Ratnagiri districts were reported . This reported rise in temperature and discharge subsided again in 88.
... tremors , rise in the discharge as well as temperature of water of the thermal springs in the Thana , Kolaba and Ratnagiri districts were reported . This reported rise in temperature and discharge subsided again in 88.
Contents
CONTENTS | 2 |
The Geology and Mineral Resources of the Andaman | 25 |
Geology of the Coal Measures in the Deccan Trap region | 69 |
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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