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 48
... grey , carbonaceous clay , 4-5 feet thick , overlain by impure reddish clay 12 feet thick . The grey clay is used mainly for the manu- facture of refractory bricks . Several pits have been made and the clay forms a horizontal bed ...
... grey , carbonaceous clay , 4-5 feet thick , overlain by impure reddish clay 12 feet thick . The grey clay is used mainly for the manu- facture of refractory bricks . Several pits have been made and the clay forms a horizontal bed ...
Page 69
... grey and medium - grained ) Type ( 2 ) 10.32 2.40 33.74 16.78 36.32 99.56 ( Bluish grey and medium to coarse - grained ) Type ( 3 ) 10.18 2.20 34.23 15.16 38.44 100.21 ( Medium grained grey limestone ) Type ( 4 ) 2.06 2:00 30.85 20.34 ...
... grey and medium - grained ) Type ( 2 ) 10.32 2.40 33.74 16.78 36.32 99.56 ( Bluish grey and medium to coarse - grained ) Type ( 3 ) 10.18 2.20 34.23 15.16 38.44 100.21 ( Medium grained grey limestone ) Type ( 4 ) 2.06 2:00 30.85 20.34 ...
Page 296
... grey to grey and pink in colour . The granite tends to be porphyritic at places . A gradation from a light grey granite containing 15 to 20 per cent . of mafic minerals to dark grey gneiss with more than 50 per cent . of mafic minerals ...
... grey to grey and pink in colour . The granite tends to be porphyritic at places . A gradation from a light grey granite containing 15 to 20 per cent . of mafic minerals to dark grey gneiss with more than 50 per cent . of mafic minerals ...
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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