Records of the Geological Survey of India, Volume 105Geological Survey of India, 1973 - Earthquakes |
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Page 34
... described these rocks as calc -gneiss and thought that they have been derived by the intense meta- morphism of the highly calcified serpentine rocks . Karunakaran et al . ( 1964 ) described the rocks as crystalline limestone and thought ...
... described these rocks as calc -gneiss and thought that they have been derived by the intense meta- morphism of the highly calcified serpentine rocks . Karunakaran et al . ( 1964 ) described the rocks as crystalline limestone and thought ...
Page 39
... described under different formational names from the different islands . As has been described earlier , submarine flows are contempo- raneous with the deposition of radiolarian cherts and the Jhinga Nala Formation . These are the ...
... described under different formational names from the different islands . As has been described earlier , submarine flows are contempo- raneous with the deposition of radiolarian cherts and the Jhinga Nala Formation . These are the ...
Page 209
... described coccolithophorids and related forms from the Creta- ceous - Tertiary sequence of Khasi Hills , Assam . Pant ( 1966 ) gave a general discussion on the utility of these fossils in stratigraphy . and Mamgain ( 1969 ) have described ...
... described coccolithophorids and related forms from the Creta- ceous - Tertiary sequence of Khasi Hills , Assam . Pant ( 1966 ) gave a general discussion on the utility of these fossils in stratigraphy . and Mamgain ( 1969 ) have described ...
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