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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Results 1-3 of 17
Page 28
... resulting from glass . Thin calcite veins also appear . Clinopyroxenes have opaque inclusions , masked by turbid material possibly devitrifying glass . Contact reactions against the trachyte seem to have involved development of an outer ...
... resulting from glass . Thin calcite veins also appear . Clinopyroxenes have opaque inclusions , masked by turbid material possibly devitrifying glass . Contact reactions against the trachyte seem to have involved development of an outer ...
Page 31
... resulted in piling up of a thick succession of lava flows . The composition of the magma resulting in the development of such large flows could vary between two familiar extremes - olivine basalt and tholeiite , as indicated by the ...
... resulted in piling up of a thick succession of lava flows . The composition of the magma resulting in the development of such large flows could vary between two familiar extremes - olivine basalt and tholeiite , as indicated by the ...
Page 33
... resulted in removal from tholeiitic magma of pyroxene by sinking , resulting in a silica and alkali - rich residuum . The occurrence of limestone bands in the traps throughout the Wular lake area , is suggestive of the periodic marine ...
... resulted in removal from tholeiitic magma of pyroxene by sinking , resulting in a silica and alkali - rich residuum . The occurrence of limestone bands in the traps throughout the Wular lake area , is suggestive of the periodic marine ...
Contents
RECORDS | 2 |
A note on the polymetallic sulphide mineralisation in Askot area | 8 |
On studies of the Agglomeratic Slate and Panjal Trap in the Jhelum | 12 |
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acidic agglomeratic slates amphibolite Archaean assemblage Bababudan Group bands Barakar basalts beds Bihar biotite Boulder Conglomerate calcareous Chitradurga chlorite clays correlation craton Cuddapah deposits Dharwar 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 Jour Karharbari Kashmir Kurnool laterite limestone Lower Gondwana Lower Karewas metamorphism metres mineralisation minerals Mysore non-porphyritic occur outcrops overlying Palaeobotanist Panchet Panjal trap phenocrysts Pinjor Plate Pleistocene Pliocene porphyritic Precambrian pyroxene quartz quartzite Raniganj rock types Sargur schist schist belts schistose schistose rocks sediments sequence shale Siwalik stratigraphic Supergroup Surv Survey of India Sylhet Sylhet Limestone Sylhet Sandstone Talchir Tatrot tectonic Tertiary thick unconformity Upper upto valley veins Vindhyan volcanic Western Block zeolite zone