Records of the Geological Survey of India, Volume 105Geological Survey of India, 1973 - Earthquakes |
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Page 67
... values are 4,000 ppm . or more ; in the Rangat area 80 % nickel values are between 3,000-4,000 ppm . Despite high values , no significant anomaly is recognisable in the profile of the areas mentioned above and dispersion is more or less ...
... values are 4,000 ppm . or more ; in the Rangat area 80 % nickel values are between 3,000-4,000 ppm . Despite high values , no significant anomaly is recognisable in the profile of the areas mentioned above and dispersion is more or less ...
Page 159
... values . Some of the anomalous values are persistent and merit further investigation . In Shishkhani area , lead values , four times the background value , were detected at a distance of 1.5 km . from the old workings . The absence of ...
... values . Some of the anomalous values are persistent and merit further investigation . In Shishkhani area , lead values , four times the background value , were detected at a distance of 1.5 km . from the old workings . The absence of ...
Page 167
... 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- taries are also less than 50 p . p . m . Values ...
... 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- taries are also less than 50 p . p . m . Values ...
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