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 336
... indices of 4 to 5 by Tisco ' method and 6 to 8 by B. S. method . Preliminary washing tests indicate that many of the coals can be washed economically . The caking indices of washed coking coals are somewhat higher than crude coal . The ...
... indices of 4 to 5 by Tisco ' method and 6 to 8 by B. S. method . Preliminary washing tests indicate that many of the coals can be washed economically . The caking indices of washed coking coals are somewhat higher than crude coal . The ...
Page 371
... Indices of Vitrain as an index of rank of Coal . Jour . Sci . and Indus . Res . , 11 , No. 11 pp . 486-490 . The authors have studied the refractive indices of polished vitrain from some Indian coals by measuring the angle of maximum ...
... Indices of Vitrain as an index of rank of Coal . Jour . Sci . and Indus . Res . , 11 , No. 11 pp . 486-490 . The authors have studied the refractive indices of polished vitrain from some Indian coals by measuring the angle of maximum ...
Page 399
... index of individual grains , which is the ratio of the area of each grain to the area of the smallest circumscribed circle , was determined from the camera lucida drawings of the grains on a centimeter graph . The sphericity index shows ...
... index of individual grains , which is the ratio of the area of each grain to the area of the smallest circumscribed circle , was determined from the camera lucida drawings of the grains on a centimeter graph . The sphericity index shows ...
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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