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 27
... period 1924 to 1928 the annual production of coal showed a rising tendency , the average for the period being 21 ยท 5 million tons , the maximum being registered at 22.5 million tons in 1928. The rise continued until 1930 with an output ...
... period 1924 to 1928 the annual production of coal showed a rising tendency , the average for the period being 21 ยท 5 million tons , the maximum being registered at 22.5 million tons in 1928. The rise continued until 1930 with an output ...
Page 141
... period 1947-51 is given in Table 2. During 1934-38 , 1939-46 and 1947-51 periods the average annual production of Indian Production . copper was 6,512 , 6,152 and 6,376 tons respec- copper averaged 9,817 , 8,053 and 8,399 tively , while ...
... period 1947-51 is given in Table 2. During 1934-38 , 1939-46 and 1947-51 periods the average annual production of Indian Production . copper was 6,512 , 6,152 and 6,376 tons respec- copper averaged 9,817 , 8,053 and 8,399 tively , while ...
Page 229
... period . Two Ingersoll - Rand blowers of 32,000 cu . ft . per min . at 32 lbs . per square inch pressure were installed and put into opera- tion during this period at the Duplex Plant Blower House . These blowers are for blowing air ...
... period . Two Ingersoll - Rand blowers of 32,000 cu . ft . per min . at 32 lbs . per square inch pressure were installed and put into opera- tion during this period at the Duplex Plant Blower House . These blowers are for blowing air ...
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acid aluminium annual production asbestos Assam B. C. Roy bauxite Bihar Bombay Canada cement cent chromite coal coke colour consumption copper corundum Cwts deposits district dolomite estimated export feet figures furnace Gallons Geol Geological Survey given in Table glass gold grade graphite gypsum Hyderabad ilmenite important increase India Indian Union industry Iron & Steel Iron and Steel Jodhpur 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 ochre Orissa output oxide Pakistan partitioned in August pegmatites period under review quartz quinquennium under review Rajasthan refractory reported reserves rocks salt saltpetre Saurashtra silica sillimanite Singhbhum sodium South stones sulphate sulphuric Surv Survey of India talc tion Tons Tons tons valued Travancore Uttar Pradesh veins Vindhya Pradesh wolfram world production Zawar zinc