Records of the Geological Survey of India, Volume 107Geological Survey of India, 1976 - 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 27
... show SiO , range from 48 to 51 per cent , have high CaO ( 7.50 or more ) , MgO ( 7.20 or more ) and FeO ( up to 11 or may be still more ) , and low soda ( less than 1 ) and potash ( variable ) . Table 2 shows chemical analysis of two ...
... show SiO , range from 48 to 51 per cent , have high CaO ( 7.50 or more ) , MgO ( 7.20 or more ) and FeO ( up to 11 or may be still more ) , and low soda ( less than 1 ) and potash ( variable ) . Table 2 shows chemical analysis of two ...
Page 48
... shows slight fanning . Since F2 schistosity contains the metamorphic index minerals , these folds have special significance in determining the time relation of folding and metamorphism . The amplitude / wave length ratio of these folds ...
... shows slight fanning . Since F2 schistosity contains the metamorphic index minerals , these folds have special significance in determining the time relation of folding and metamorphism . The amplitude / wave length ratio of these folds ...
Page 49
... shows the details of the fold and the position of the axial plane traces ( A , B , C , D , E , F ) . Plate 16 , Fig B ( a ) shows the variation of thickness in Unit I. It is seen that T is reduced at the hinges compared to that in the ...
... shows the details of the fold and the position of the axial plane traces ( A , B , C , D , E , F ) . Plate 16 , Fig B ( a ) shows the variation of thickness in Unit I. It is seen that T is reduced at the hinges compared to that in the ...
Contents
On studies of the Agglomeratic Slate and Panjal Trap in the Jhelum | 12 |
Chandranath granite Goa by A R Gokul and M D Srinivasan | 38 |
Geometry and age relation of minor folds in the Daling metamorphites | 46 |
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acid agglomeratic slates Archaean assemblage Bababudan Group bands Barakar basalts bedrock beds Bihar biotite Boulder Conglomerate calcareous Chitradurga chlorite clays coal correlation craton Cuddapah deposits Dhok Pathan district east epidote facies felspar flora of India folds formation fossil galena Garo Hills Geoclemys Geol Geological Survey Glossopteris Glossopteris flora gneiss gneissic complex Gondwana grained greenish grey greenstone belts greyish high grade schists Ibid indicated isotopic Karharbari Kashmir Khasi Kurnool laterite limestone Lower Gondwana Lower Karewas metamorphism metres mineralisation minerals non-porphyritic occur overlying Palaeobotanist Panchet Panjal trap phenocrysts phyllite Pinjor Plate Pleistocene Pliocene porphyritic pyroxene quartz quartzite Raniganj Raniganj Coalfield Sandstone schist schist belts schistose schistose rocks sediments sequence shales Siwalik stratigraphic Supergroup Surv Survey of India Sylhet Sylhet Limestone Sylhet Sandstone Talchir Tatrot tectonic Tertiary thick unconformity Upper upto valley Vindhyan volcanic Western Block zeolite zone