Records of the Geological Survey of India, Volume 90Geological Survey of India, 1962 - Earthquakes |
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Page 68
... containing about 15 to 20 per cent boron and nickel - boron containing 15-18 per cent boron is available com- mercially for use as degasifiers . While ferro - boron and boron- alumina are also finding increased use in industry . Calcium ...
... containing about 15 to 20 per cent boron and nickel - boron containing 15-18 per cent boron is available com- mercially for use as degasifiers . While ferro - boron and boron- alumina are also finding increased use in industry . Calcium ...
Page 164
... containing 60 to 98 per cent . calcium fluoride . The milled pro- duct is marketed in three grades - acid grade with a minimum of 97 per cent . CaF2 , metallurgical grade essentially in lumps with a minimum of 60 per cent . effective ...
... containing 60 to 98 per cent . calcium fluoride . The milled pro- duct is marketed in three grades - acid grade with a minimum of 97 per cent . CaF2 , metallurgical grade essentially in lumps with a minimum of 60 per cent . effective ...
Page 194
... containing about 75 per cent . of the original gold content , the rest remain- ing in the slime . The concentrate is subjected to gravity separa- tion , or treated with either mercury or strong cyanide solution , to obtain a product ...
... containing about 75 per cent . of the original gold content , the rest remain- ing in the slime . The concentrate is subjected to gravity separa- tion , or treated with either mercury or strong cyanide solution , to obtain a product ...
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