Records of the Geological Survey of India, Volume 90Geological Survey of India, 1962 - Earthquakes |
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Page 180
... oxide . Zinc oxide is employed to increase the R.I. or glass , but its effect is less than that of Pb or Ba . Zinc oxide decreases the vis- cosity of the melt - as such moulded and pressed ware look smarter . It is of great . value in ...
... oxide . Zinc oxide is employed to increase the R.I. or glass , but its effect is less than that of Pb or Ba . Zinc oxide decreases the vis- cosity of the melt - as such moulded and pressed ware look smarter . It is of great . value in ...
Page 181
... oxide . the sulphate of barium , occurs in India . ( Occurrences : Please see under Barite . ) Lead oxide is generally employed in the form Pb , O , or red lead . As it is often reduced in the furnace some oxidising agent such as nitre ...
... oxide . the sulphate of barium , occurs in India . ( Occurrences : Please see under Barite . ) Lead oxide is generally employed in the form Pb , O , or red lead . As it is often reduced in the furnace some oxidising agent such as nitre ...
Page 322
... oxide , is used for polishing metal , glass , etc. Indian red oxides , though very rich in ferric oxide , are usually dull and chalky in colour and hard to grind , and they are sometimes discarded in preference to the im- ported ones ...
... oxide , is used for polishing metal , glass , etc. Indian red oxides , though very rich in ferric oxide , are usually dull and chalky in colour and hard to grind , and they are sometimes discarded in preference to the im- ported ones ...
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