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 101
... field season 1955-56 . Detailed mapping of the anorthosite body and the associated rocks was carried out by him in the 1960-61 field season . The anorthosites occur in an area of about 320 sq . km . in the southeastern part of the ...
... field season 1955-56 . Detailed mapping of the anorthosite body and the associated rocks was carried out by him in the 1960-61 field season . The anorthosites occur in an area of about 320 sq . km . in the southeastern part of the ...
Page 115
... field of anorthosite body in the axial region of an antiform , the presence of very coarse plates of pyroxene in the ... field . This is further confirmed by plotting the Niggli values in the al - alk - c / fm diagrams ( Pl . 6 ) in ...
... field of anorthosite body in the axial region of an antiform , the presence of very coarse plates of pyroxene in the ... field . This is further confirmed by plotting the Niggli values in the al - alk - c / fm diagrams ( Pl . 6 ) in ...
Page 180
... field , metal concentration in the basement is much lower than their potential fixation capacity under the prevalent weathering domain in the overlying mantle . This might have encouraged relative concentration of the ore elements in ...
... field , metal concentration in the basement is much lower than their potential fixation capacity under the prevalent weathering domain in the overlying mantle . This might have encouraged relative concentration of the ore elements in ...
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