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 55
... varying between 1-4 per cent . The alumina content is fairly high varying between 50 and 55 per cent . but it occurs mostly in the form of monohydrate as well as trihydrate and since the former requires much more rigorous processing ...
... varying between 1-4 per cent . The alumina content is fairly high varying between 50 and 55 per cent . but it occurs mostly in the form of monohydrate as well as trihydrate and since the former requires much more rigorous processing ...
Page 386
... varying between 5 to 40 miles . The nitrates occur as the cementing medium and the nitrate- rich layers known as " caliche " have the following chemical composition : - TABLE 1 . Per cent . NaCO , NaCl Na , SO C & SO MgSO KNO ...
... varying between 5 to 40 miles . The nitrates occur as the cementing medium and the nitrate- rich layers known as " caliche " have the following chemical composition : - TABLE 1 . Per cent . NaCO , NaCl Na , SO C & SO MgSO KNO ...
Page 439
... varying from 30 ° to 60 ° . The mineralisation is sporadic and although pieces of ore weighing up to 20 lbs . have been found , the average wolfram content of the veins and reefs varies 01 to 04 per c is too low to warrant systematic ...
... varying from 30 ° to 60 ° . The mineralisation is sporadic and although pieces of ore weighing up to 20 lbs . have been found , the average wolfram content of the veins and reefs varies 01 to 04 per c is too low to warrant systematic ...
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