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 37
... seen along the grain boundaries . Limonitised eu - and sub - hedral pyrite grains are common . The rock in general is devoid of mineral orientation but one specimen showed preferred orientation of the elongated grains . Disseminations ...
... seen along the grain boundaries . Limonitised eu - and sub - hedral pyrite grains are common . The rock in general is devoid of mineral orientation but one specimen showed preferred orientation of the elongated grains . Disseminations ...
Page 119
... seen under the microscope , in most of the cases hornblande appears to be secondary after pyroxene . Tiny cluster and blebs of quartz recognisable along the pyroxene - hornblende borders provide sufficient evidence to support the above ...
... seen under the microscope , in most of the cases hornblande appears to be secondary after pyroxene . Tiny cluster and blebs of quartz recognisable along the pyroxene - hornblende borders provide sufficient evidence to support the above ...
Page 148
... seen to be affected by b2 folds . Therefore b , folds are regarded as later than b1 . 2 Type - III : Asymmetric drag folds with sub - vertical axial planes trending diagonally to the general strike . The axis plunges at steep angles of ...
... seen to be affected by b2 folds . Therefore b , folds are regarded as later than b1 . 2 Type - III : Asymmetric drag folds with sub - vertical axial planes trending diagonally to the general strike . The axis plunges at steep angles of ...
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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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