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 10
... minerals took place in the post - tectonic stage with respect to F , folding . F2 Isotopic age determination of the galena samples and their relation to the mineral age dating of the different gangue minerals ( specially of phlogopitic ...
... minerals took place in the post - tectonic stage with respect to F , folding . F2 Isotopic age determination of the galena samples and their relation to the mineral age dating of the different gangue minerals ( specially of phlogopitic ...
Page 27
... minerals have only their remnants left . The felspars appear merely as a fine shredded aggregate of sericite and ... minerals prevalent are hypersthene , pyroxene and olivine . The groundmass of the rocks is glassy and shows alteration ...
... minerals have only their remnants left . The felspars appear merely as a fine shredded aggregate of sericite and ... minerals prevalent are hypersthene , pyroxene and olivine . The groundmass of the rocks is glassy and shows alteration ...
Page 28
Geological Survey of India. minute specks and grains of the different minerals are well set . Epidote , chlorite , and calcite are also recorded and appear as alteration products of the pre - existing minerals . Trachyte These are ...
Geological Survey of India. minute specks and grains of the different minerals are well set . Epidote , chlorite , and calcite are also recorded and appear as alteration products of the pre - existing minerals . Trachyte These are ...
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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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