Records of the Geological Survey of India, Volume 105Geological Survey of India, 1973 - Earthquakes |
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Page 142
... less than 2 micron fraction and ( iii ) whole sample treated with piperidinium . The untreated whole sample showed a broad asymmetric low temperature endothermic peak at about 135 ° C , the thermal effect of which ends at 200 ° C . The ...
... less than 2 micron fraction and ( iii ) whole sample treated with piperidinium . The untreated whole sample showed a broad asymmetric low temperature endothermic peak at about 135 ° C , the thermal effect of which ends at 200 ° C . The ...
Page 167
... less than 50 p . p . m . Anomalous copper values of the order of 150 p . p . m . and lead values of the order of 100 p . p . m . have only been detected in one sample . The metal values in the sediments of Gola river and its tribu ...
... less than 50 p . p . m . Anomalous copper values of the order of 150 p . p . m . and lead values of the order of 100 p . p . m . have only been detected in one sample . The metal values in the sediments of Gola river and its tribu ...
Page 207
... less decurrent . The mid - rib is also conspicuously absent . T. indica Feistmantel also shows some resem- blance which is characterised by rhomboid - lanceolate pinnules with acuminate apex , sinuate margins and a comparatively more ...
... less decurrent . The mid - rib is also conspicuously absent . T. indica Feistmantel also shows some resem- blance which is characterised by rhomboid - lanceolate pinnules with acuminate apex , sinuate margins and a comparatively more ...
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