Records of the Geological Survey of India, Volume 105Geological Survey of India, 1973 - Earthquakes |
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Page 109
... Table 1 both as weight percentages of oxides and as cation percentages . From the weight percentages of different oxides the C.I.P.W. norms of the three rocks have been calculated and are compared with their modal composition ( Table 2 ) ...
... Table 1 both as weight percentages of oxides and as cation percentages . From the weight percentages of different oxides the C.I.P.W. norms of the three rocks have been calculated and are compared with their modal composition ( Table 2 ) ...
Page 133
TABLE 5 ( Contd . ) ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) V > 55 300 200 250 350 450 Ga 10 25 12.5 10 10 Cr 50 100 100 100 100 Y 100 100 100 100 230 • Be 3 3 7.5 2 10 Cu 75 40 150 50 150 Co 350 40 125 100 130 Ni 100 150 100 125 130 Sr 650 650 ...
TABLE 5 ( Contd . ) ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) V > 55 300 200 250 350 450 Ga 10 25 12.5 10 10 Cr 50 100 100 100 100 Y 100 100 100 100 230 • Be 3 3 7.5 2 10 Cu 75 40 150 50 150 Co 350 40 125 100 130 Ni 100 150 100 125 130 Sr 650 650 ...
Page 174
... TABLE 3 Sequence of diastrophic events 4. Development of local dilatant / shear domains ( S ) during the waning phase of metasomatism and movements , covering stages IV and V of Table 2 ) 3. Flowage folding ( F ) during K - metasomatism ...
... TABLE 3 Sequence of diastrophic events 4. Development of local dilatant / shear domains ( S ) during the waning phase of metasomatism and movements , covering stages IV and V of Table 2 ) 3. Flowage folding ( F ) during K - metasomatism ...
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