Records of the Geological Survey of India, Volume 107Geological Survey of India, 1972 - 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
... veins up to 2 mm thick along the bedding or the layering and the joint planes . The other common variety has ... veins of calcareous matter , e.g. , limestone and calcite . Amygdaloidal , fine grained , greenish grey , with veins of ...
... veins up to 2 mm thick along the bedding or the layering and the joint planes . The other common variety has ... veins of calcareous matter , e.g. , limestone and calcite . Amygdaloidal , fine grained , greenish grey , with veins of ...
Page 23
... veins upto 15 cm thick appear conspicuously in the latter rock type . These are the acidic and basic varieties ... veins through the joints . ( iii ) Greyish black , fine grained , forming the acidic rock type of rhyolitic composition ...
... veins upto 15 cm thick appear conspicuously in the latter rock type . These are the acidic and basic varieties ... veins through the joints . ( iii ) Greyish black , fine grained , forming the acidic rock type of rhyolitic composition ...
Page 42
... veins generally vary in thickness from a few centimetres to a few metres , while the pegmatite veins are extremely thin varying from a few millimetres to a few centimetres . d ) Sericitisation of schistose rocks Generally , all the ...
... veins generally vary in thickness from a few centimetres to a few metres , while the pegmatite veins are extremely thin varying from a few millimetres to a few centimetres . d ) Sericitisation of schistose rocks Generally , all 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 | 46 |
PlioPleistocene boundary in sediments of the Indian SubContinentby | 54 |
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Common terms and phrases
acid agglomeratic slates amphibolite Archaean Ashtamudi assemblage Bababudan Group bands Barakar basalts basin beds Bihar biotite Boulder Conglomerate calcareous chelonian Chitradurga Chitradurga Group chlorite clays Coalfield craton Cuddapah deposits Dharwar east eastern epidote facies felspar folds fossil galena Geoclemys Geol GEOLOGICAL SURVEY Glossopteris Glossopteris flora gneisses gneissic complex Gondwana grained granite greenish grey greenstone belts hamiltoni Gray high grade schists Hills Ibid INDIA Records indicated Karnataka Kashmir Kolar Kurnool lake laterite lead isotopic limestone lithological Lower Gondwana Masumpur metamorphism metres mineralisation minerals non-porphyritic occur overlying Palaeobotanist Panjal trap phyllite Pichamuthu Pinjor Plate Plateau Pleistocene Pliocene porphyritic Precambrian quartz quartzite Quilon Raniganj Sargur Supergroup schist schist belts schistose schistose rocks sediments sequence shales Siwalik stratigraphic Supergroup Surv SURVEY OF INDIA Sylhet Talchir Tatrot tectonic Tertiary thickness unconformity Upper upto Vindhyan volcanic Warkallis Western Block Zawar zeolite zone