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 17
... grained greyish and calcareous ( P1 8 , Fig 3 ) . Porphyritic , fine grained , greenish grey , with felspar , chlorite and epidote phenocrysts . Non - porphyritic , fine grained , greyish with bands and veins of calcareous matter , e.g. ...
... grained greyish and calcareous ( P1 8 , Fig 3 ) . Porphyritic , fine grained , greenish grey , with felspar , chlorite and epidote phenocrysts . Non - porphyritic , fine grained , greyish with bands and veins of calcareous matter , e.g. ...
Page 21
... grained and non- porphyritic with micro - phenocrysts of pyroxenes and felspars . The soft nature is due to intense ... grained , light greenish with porphyritic crystals up to 1 cm in size of zeolite , felspar , quartz , chlorite and ...
... grained and non- porphyritic with micro - phenocrysts of pyroxenes and felspars . The soft nature is due to intense ... grained , light greenish with porphyritic crystals up to 1 cm in size of zeolite , felspar , quartz , chlorite and ...
Page 22
... grained , non - porphyritic basalts and dark greyish , fine grained , non - porphyritic , non - calcareous , acidic rock with pheno- crysts of quartz and felspars . At Naidahal , the dark greenish non - porphyritic traps are interbedded ...
... grained , non - porphyritic basalts and dark greyish , fine grained , non - porphyritic , non - calcareous , acidic rock with pheno- crysts of quartz and felspars . At Naidahal , the dark greenish non - porphyritic traps are interbedded ...
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 |
10 other sections not shown
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Common terms and phrases
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