Records of the Geological Survey of India, Volume 105Geological Survey of India, 1973 - Earthquakes |
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Page 184
... phosphorite horizon of the Chiphaldi area unlike that of the Chamasari - Paritibba area directly and conformably overlies the argil- laceous limestones of Krol Formation ( Chakravorty and Raha , 1971 ) . The bedded black chert which ...
... phosphorite horizon of the Chiphaldi area unlike that of the Chamasari - Paritibba area directly and conformably overlies the argil- laceous limestones of Krol Formation ( Chakravorty and Raha , 1971 ) . The bedded black chert which ...
Page 185
... phosphorite formed by phosphatisation would require complete eli- mination of carbonate in quick successions which is rather very difficult to conceive , specially when each lamina is even 14 micron or less . The rhythmic layering of ...
... phosphorite formed by phosphatisation would require complete eli- mination of carbonate in quick successions which is rather very difficult to conceive , specially when each lamina is even 14 micron or less . The rhythmic layering of ...
Page 192
References AGGARWAL , L. N. , 1970. - Phosphorite Occurrences in Mahasu District , Himachal Pradesh . Proc . 57th . Ind . Sci . Cong . , 3,215 . GULBRANDSEN , R. A. , JONES , D. L. , TAGG , K. M. , & REESER , D. W. , 1963. - Apa ...
References AGGARWAL , L. N. , 1970. - Phosphorite Occurrences in Mahasu District , Himachal Pradesh . Proc . 57th . Ind . Sci . Cong . , 3,215 . GULBRANDSEN , R. A. , JONES , D. L. , TAGG , K. M. , & REESER , D. W. , 1963. - Apa ...
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