Records of the Geological Survey of India, Volume 90Geological Survey of India, 1962 - Earthquakes |
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Page 173
... glasses but the method of manufacture is essentially that of organic chemistry . The raw materials required for silicone manufacture are sand , brine , coal and oil . KINDS OF GLASSES I. Crown glass - Contains soda , lime and sand . A ...
... glasses but the method of manufacture is essentially that of organic chemistry . The raw materials required for silicone manufacture are sand , brine , coal and oil . KINDS OF GLASSES I. Crown glass - Contains soda , lime and sand . A ...
Page 174
... glass - Boric or phosphoric acid glasses are costly and are used for optical purposes . IX . Water glass - Not used in glass industry as such . X. Opaque and coloured glasses - See colouring agents . Special glass - Gauge glasses for ...
... glass - Boric or phosphoric acid glasses are costly and are used for optical purposes . IX . Water glass - Not used in glass industry as such . X. Opaque and coloured glasses - See colouring agents . Special glass - Gauge glasses for ...
Page 175
... glasses for making combination lenses is limited . Glass sand which forms the bulk of the batch used in the manufacture of glass , is responsible for 70 or 75 % of SiO . No specifications have so far been laid down for glass - making ...
... glasses for making combination lenses is limited . Glass sand which forms the bulk of the batch used in the manufacture of glass , is responsible for 70 or 75 % of SiO . No specifications have so far been laid down for glass - making ...
Contents
GEOLOGICAL SURVEY OF INDIA | 1 |
DETAILED ACCOUNT OF THE MINERALS | 37 |
Clays | 91 |
Copyright | |
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acid aluminium annual production 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 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 Quantity Value Quantity quartz quinquennium under review Rajasthan refractory reported reserves rocks RSITY salt SAN DIEGO Saurashtra silica sillimanite Singhbhum sodium South stones sulphate sulphuric Surv talc tion Tons Tons tons valued Travancore Uttar Pradesh veins Vindhya Pradesh wolfram world production Zawar zinc