Records of the Geological Survey of IndiaGeological 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 144
... varieties . There are different methods of classifying clays and on the basis of the physical and refractory properties the following are the more important varieties of clay : - ( a ) Pottery clay , ( b ) China clay , ( c ) Fire clay ...
... varieties . There are different methods of classifying clays and on the basis of the physical and refractory properties the following are the more important varieties of clay : - ( a ) Pottery clay , ( b ) China clay , ( c ) Fire clay ...
Page 401
... varieties of varying degrees of colour , translucency and texture . The mineral has no fixed market value and the prices which it brings depend on the taste of the buyer and the state of his pocket . The most precious of all the classes ...
... varieties of varying degrees of colour , translucency and texture . The mineral has no fixed market value and the prices which it brings depend on the taste of the buyer and the state of his pocket . The most precious of all the classes ...
Page 402
... varieties of the stones are often confused and they are both equally valued by the Chinese . Though tough and splintery like nephrite , jadeite is slightly harder , considerably heavier and more easily fusible than the other . No ...
... varieties of the stones are often confused and they are both equally valued by the Chinese . Though tough and splintery like nephrite , jadeite is slightly harder , considerably heavier and more easily fusible than the other . No ...
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alum alumina aluminium antimony asbestos Assam Baluchistan bauxite Bengal Bihar Bombay British Burma Calcutta carats Cement cent Central India Central Provinces Chemical china clay Chromite coal coke colour Company consumption Copper-ore corundum countries Cwts deposits diamonds district dolomite Eastern States Agency exported feet figures furnace Gallons Geol glass gold Gondwana grade Gwalior gypsum hills Hyderabad important Includes increase India Indian total industry Iron and Steel Japan Jubbulpore Kashmir kyanite limestone lithomarge lode Long tons M. S. Krishnan Madras magnesite Manbhum manganese manganese-ore manufacture marble material metal mica miles million tons mineral oil mines Motor spirit Mysore obtained occur ochre Orissa output oxide period under review Punjab Quantity tons quartz quinquennium railway Rajputana Raniganj re-exports refractory reported rocks salt sandstone seams Seraikela silica Singhbhum South stones sulphate sulphur Surv TABLE tons of kankar tons valued United Kingdom United Provinces veins