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 15
... Acid and intermediate differ- entiation products also occur locally e.g. trachyte , ceratophyre , rhyolite , tuffs ... acid tuffs . Rajnath and Ganju ( 1939 ) classified the traps into acid rocks and andesitic rocks . In a subsequent ...
... Acid and intermediate differ- entiation products also occur locally e.g. trachyte , ceratophyre , rhyolite , tuffs ... acid tuffs . Rajnath and Ganju ( 1939 ) classified the traps into acid rocks and andesitic rocks . In a subsequent ...
Page 129
... acid ( H2SO4 ) , especially from the sulphur contained in the decomposed wood material , entombed in the underlying sedi- ments , by reaction produced by sulphur bacteria . The wood pieces are reported to contain 2.1 to 8.9 % total ...
... acid ( H2SO4 ) , especially from the sulphur contained in the decomposed wood material , entombed in the underlying sedi- ments , by reaction produced by sulphur bacteria . The wood pieces are reported to contain 2.1 to 8.9 % total ...
Page 130
... acid Ferrous sulphate + Sulphuric acid + Oxygen — Ferric sulphate + Ferric hydroxide + Ferric Sulphate Water Ferric hydroxide + Sulphuric acid Sodic or potassic clay on reaction with sulphuric acid can give rise to alum . Sulphuric acid ...
... acid Ferrous sulphate + Sulphuric acid + Oxygen — Ferric sulphate + Ferric hydroxide + Ferric Sulphate Water Ferric hydroxide + Sulphuric acid Sodic or potassic clay on reaction with sulphuric acid can give rise to alum . Sulphuric acid ...
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