Records of the Geological Survey of India, Volume 105, Part 2Geological Survey of India, 1973 - Earthquakes Vols. 1- include Report of the Geological Survey, 1867- ; v. 32- include Review of the mineral production of India, 1898/1903- ; v. 75 consists of Professional papers, no. 1-16; v. 76 consists of Bulletins of economic minerals. |
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Page 72
... thickness proved in the boreholes so far is around 50 m . Barakars These are composed of whitish to gray coloured medium to very coarse grained , argillaceous sandstones and grits which are poor- ly sorted . These are interbedded with ...
... thickness proved in the boreholes so far is around 50 m . Barakars These are composed of whitish to gray coloured medium to very coarse grained , argillaceous sandstones and grits which are poor- ly sorted . These are interbedded with ...
Page 78
... thickness and consequently of no economic importance . The remaining five coalseams , III to VII , are recorded to be ranging in thickness from 1 to 28 m . They are persistent beds and markedly maintain their individuality in thickness ...
... thickness and consequently of no economic importance . The remaining five coalseams , III to VII , are recorded to be ranging in thickness from 1 to 28 m . They are persistent beds and markedly maintain their individuality in thickness ...
Page 182
... thickness of the phosphorite varies from less than a metre to a maximum of 7.5 m . The maximum thickness of the chert- shale member is around six metres in the Chamasari - Paritibba area . The phosphorite is overlain by black ...
... thickness of the phosphorite varies from less than a metre to a maximum of 7.5 m . The maximum thickness of the chert- shale member is around six metres in the Chamasari - Paritibba area . The phosphorite is overlain by black ...
Contents
RECORDS | 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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Common terms and phrases
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 Deflandre deposit Discoaster district endothermic endothermic peak Eocene estherids fauna felspar figs folds foliation Formation fossil gabbro Gangamopteris garnetiferous geochemical Geol Geological Survey glacier gneisses Gondwana grains granitic gray graywacke hill INDIA Records indicate khondalites Krol limestone lodes Lower margins metadolerite metal Middle Andaman mineral mineralisation Mussoorie Nala occur Orissa orthopyroxene oxides para-amphibolite Permian phosphate phosphorite pinnules plagioclase Plate present pyroxene quartz quartzite rocks samples sandstone schist 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 younger ortho-amphibolite Zemu glacier zone