Records of the Geological Survey of India, Volume 76Government of India, 1947 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 19
... aluminium industry . As cryolite is an essential substance in the production of aluminium from pure alumina , and cryolite is obtainable only from mines in Greenland , the Geological Survey of India has given special attention to ...
... aluminium industry . As cryolite is an essential substance in the production of aluminium from pure alumina , and cryolite is obtainable only from mines in Greenland , the Geological Survey of India has given special attention to ...
Page 4
... aluminium ore is as indicated largely used for the extraction of alumina which is subsequently reduced to metallic aluminium in a thermic - electrolytic process in a molten condition . Roughly 2 tons of bauxite are required to yield one ...
... aluminium ore is as indicated largely used for the extraction of alumina which is subsequently reduced to metallic aluminium in a thermic - electrolytic process in a molten condition . Roughly 2 tons of bauxite are required to yield one ...
Page 29
... ( aluminium sheets and tubes and natural cryo- lite ) ; Aluminium Corporation of India Ltd. ( alumina ) ; Ewing & Co. , Calcutta ( superphosphates ) ; Bengal Scientific and Technical Works , Calcutta ( cerium carbonate lanthanum carbonate ...
... ( aluminium sheets and tubes and natural cryo- lite ) ; Aluminium Corporation of India Ltd. ( alumina ) ; Ewing & Co. , Calcutta ( superphosphates ) ; Bengal Scientific and Technical Works , Calcutta ( cerium carbonate lanthanum carbonate ...
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A. L. Coulson abrasive alloys alumina aluminium annually antimony areas asbestos Assam averaged B. C. Roy Barytes bauxite Bawdwin Beryl Bihar bore-hole records Burma Calcutta carbonate cent Central Provinces chief chromite coalfields coking coal copper Corundum cryolite CYRIL Degana district ECONOMIC MINERALS electrical exported Fluorspar Fuller's earth Geological Survey Government of India gypsum high grade ilmenite imported Indian bauxite Indian production iron J. A. Dunn J. B. Auden Koh-i-Sultan laterite lead Limestone M. S. Krishnan Madras magnesite manganese material Memoirs metal metallurgical mica million tons Mineral Industry Mineral Resources mineral substances mines Monazite Mysore nickel obtained occurrences operations oxide P. K. Ghosh Phosphates pigments preparation Price produced in India Punjab quantities quartz Rajputana Ranchi District recent Salem dt salt sands Shan sheets Singhbhum smelting Sodium steel Strontium Sulphate sulphide sulphur supply Survey of India Tantalite tion titanium tungsten Vanadium Volume LXXVI wolfram zinc zircon