Records of the Geological Survey of India, Volume 90The Survey, 1962 - 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 62
... Bismuth [ A. K. DEY ] Native bismuth and its sulphide bismuthinite , Bi , S , are the principal ores of this rather rare element but being a minor constituent of some lead ores and to a lesser extent of those of copper tungsten and ...
... Bismuth [ A. K. DEY ] Native bismuth and its sulphide bismuthinite , Bi , S , are the principal ores of this rather rare element but being a minor constituent of some lead ores and to a lesser extent of those of copper tungsten and ...
Page 63
... bismuth as the metal is brittle and unworkable . Its low melting point ( 271 ° C ) and its expansion ( 3.32 per cent ) on solidification account for its presence in many important alloys . Some twenty years ago the chief uses of bismuth ...
... bismuth as the metal is brittle and unworkable . Its low melting point ( 271 ° C ) and its expansion ( 3.32 per cent ) on solidification account for its presence in many important alloys . Some twenty years ago the chief uses of bismuth ...
Page 64
Geological Survey of India. TABLE 1. - World production of Bismuth ore , etc. * ( Cwts . ) British Countries— Southern Rhodesia- Bismuth · South West Africa- Ore • Uganda- Ore ( Bi - content ) . Union of South Africa- 1947 . 1948 . 1949 ...
Geological Survey of India. TABLE 1. - World production of Bismuth ore , etc. * ( Cwts . ) British Countries— Southern Rhodesia- Bismuth · South West Africa- Ore • Uganda- Ore ( Bi - content ) . Union of South Africa- 1947 . 1948 . 1949 ...
Contents
SUMMARY OF THE MORE IMPORTANT MINERALS V P SONDHI | 37 |
Asbestos | 44 |
Bauxite | 51 |
Copyright | |
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acid aluminium annual production asbestos Assam B. C. Roy bauxite Bihar Bombay Canada cement cent chemical chromite coal coke colour consumption copper corundum Cwts deposits district dolomite estimated export feet figures furnace Gallons Geol given in Table glass gold grade graphite gypsum Hyderabad ilmenite important increase India Indian Union industry Iron & Steel Iron and Steel Jodhpur kankar kaolin Kashmir kyanite lime limestone long tons Madhya Bharat Madhya Pradesh Madras magnesite manganese manganese-ore manufacture marble material metal mica miles mill million tons mineral mines Mysore nickel obtained occur ochres Orissa output oxide Pakistan partitioned in August pegmatites period under review producing countries quartz quinquennium under review Rajasthan refractory reported reserves rocks salt Saltpetre Saurashtra silica sillimanite Singhbhum sodium South STANFORD stones sulphate sulphuric Surv talc tion Tons Tons tons valued Travancore Uttar Pradesh veins Vindhya Pradesh wolfram world production Zawar zinc