Records of the Geological Survey of India, Volume 85Geological Survey of India, 1954 - 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 296
... Granite and gneiss , basic inclu- sions and intrusives , and peg- matites . Dharwars ( mica - schist , phyllite ... porphyritic at places . A gradation from a light grey granite containing 15 to 20 per cent . of mafic minerals to dark ...
... Granite and gneiss , basic inclu- sions and intrusives , and peg- matites . Dharwars ( mica - schist , phyllite ... porphyritic at places . A gradation from a light grey granite containing 15 to 20 per cent . of mafic minerals to dark ...
Page 345
... granites and gneisses are well exposed in the area . The porphyroblastic ' granite shows well - developed xenocrysts ... porphyritic basaltic phase at contact ( 2 ) medium to coarse grained dolerite ( 3 ) coarse grained olivine bearing ...
... granites and gneisses are well exposed in the area . The porphyroblastic ' granite shows well - developed xenocrysts ... porphyritic basaltic phase at contact ( 2 ) medium to coarse grained dolerite ( 3 ) coarse grained olivine bearing ...
Page 399
... granite gneiss in East Manbhum seem to offer unequivocal proof as to the metasomatic origin of the latter . The ... porphyritic granite , and the orientation shows complete reconstitution into an almost perfect S - tectonite . 254. SEN ...
... granite gneiss in East Manbhum seem to offer unequivocal proof as to the metasomatic origin of the latter . The ... porphyritic granite , and the orientation shows complete reconstitution into an almost perfect S - tectonite . 254. SEN ...
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Common terms and phrases
38th Indian Sci Ajmer-Merwara alluvium Assam Assistant Geologist bands Belgaum Bihar Bombay Calcutta cent charnockites clay coal coalfields Congr copper Cuddapah days with effect Deccan trap Delhi deposits depth Dharwar Dhenkanal district district dolerite dolomite drilling dykes east examined exported feet G. W. Division Geol geological mapping Geological Survey geophysical gneisses Gondwana grade granite ground-water hill India Indian Miner industry investigation Iron-ore irrigation Kaladgi Keonjhar Kurnool Kurnool district Kutch laterite limestone M. S. Krishnan Madhya Pradesh Madras Magnesite manganese manganese-ore Mehta Messrs Metal Mkt mica million tons mines Mysore nala November occur Orissa output pegmatites phyllites pits Proc production quantity quarried quartz quartzites Rajasthan reported Returned to Circle Returned to headquarters river rocks samples sand sandstones Saurashtra schists shales sheet 73 Singhbhum square miles steatite Survey of India taluk thick tons valued veins village Vindhya Pradesh