Records of the Geological Survey of India, Volume 90Geological Survey of India, 1962 - Earthquakes |
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Page 438
... Wolfram - producing countries are Bolivia , Por- tugal and Korea , in the order named , together producing 22 per cent . of the world total . In the last review for 13 years ( 1934-46 ) it has been pointed out that production of wolfram ...
... Wolfram - producing countries are Bolivia , Por- tugal and Korea , in the order named , together producing 22 per cent . of the world total . In the last review for 13 years ( 1934-46 ) it has been pointed out that production of wolfram ...
Page 439
... wolfram prices . They ranged from $ 50-52 per unit per short ton towards the beginning of the year to a peak of $ 85 on the 8th March . Indian occurrences . The occurrences of wolfram in India proper are not of much economic importance ...
... wolfram prices . They ranged from $ 50-52 per unit per short ton towards the beginning of the year to a peak of $ 85 on the 8th March . Indian occurrences . The occurrences of wolfram in India proper are not of much economic importance ...
Page 440
... Wolfram occurs in small quantities in the quartz veins containing traces of mala- chite , chalcopyrite veined with covellite , pyrite and galena . This occurrence , however , is of academic interest only as the wolfram content in the ...
... Wolfram occurs in small quantities in the quartz veins containing traces of mala- chite , chalcopyrite veined with covellite , pyrite and galena . This occurrence , however , is of academic interest only as the wolfram content in the ...
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