Records of the Geological Survey of India, Volume 105Geological Survey of India, 1973 - Earthquakes |
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Page 40
... associated with them . In the Baratang island spilitic rocks are interbedded with cherts and jaspers in the foothill by the road at South Creek forest camp . In the Wrafters Creek area , at least three devitrified cherty lapilli tuff ...
... associated with them . In the Baratang island spilitic rocks are interbedded with cherts and jaspers in the foothill by the road at South Creek forest camp . In the Wrafters Creek area , at least three devitrified cherty lapilli tuff ...
Page 101
... associated with khondalites , charnockitic rocks and garnetiferous granite - gneisses . The rocks are emplaced in the axial region of a westerly plunging anticline . The anorthosites in the marginal parts of the body are medium grained ...
... associated with khondalites , charnockitic rocks and garnetiferous granite - gneisses . The rocks are emplaced in the axial region of a westerly plunging anticline . The anorthosites in the marginal parts of the body are medium grained ...
Page 125
... associated with calc - granulite , and occurs as conformable bands and lenses lying between the foliation of the gneisses . The older ortho - amphibolite is intimately associated with the older Archaean rocks , felspathic quartzite and ...
... associated with calc - granulite , and occurs as conformable bands and lenses lying between the foliation of the gneisses . The older ortho - amphibolite is intimately associated with the older Archaean rocks , felspathic quartzite 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