Records of the Geological Survey of India, Volume 105Geological Survey of India, 1973 - Earthquakes |
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Page 125
... amphibolites i.e. , para - amphibolite , older ortho - amphibolite and younger ortho - amphibolite have been distinguished in the Banka subdivision of the Bhagalpur district on the basis of their modes of occurrences , and mineralogical ...
... amphibolites i.e. , para - amphibolite , older ortho - amphibolite and younger ortho - amphibolite have been distinguished in the Banka subdivision of the Bhagalpur district on the basis of their modes of occurrences , and mineralogical ...
Page 137
... ortho - amphibolites along with metadolerite are overlapping each other and give a trend which is somewhat similar ... amphibolite and calc - granulite . It is concluded from the information given in Plates 10 and 11 that though the para - ...
... ortho - amphibolites along with metadolerite are overlapping each other and give a trend which is somewhat similar ... amphibolite and calc - granulite . It is concluded from the information given in Plates 10 and 11 that though the para - ...
Page 138
... ortho - amphibolite . 3. The para - amphibolite is nearer in chemical composition to the calc - granulite , while the ortho - amphibolite bears a resemblance to that of the metadolerite . 4. The chemical data show that the behaviour and ...
... ortho - amphibolite . 3. The para - amphibolite is nearer in chemical composition to the calc - granulite , while the ortho - amphibolite bears a resemblance to that of the metadolerite . 4. The chemical data show that the behaviour and ...
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