Records of the Geological Survey of India, Volume 90The Survey, 1962 - 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 71
... stones in India give only a rough idea of the magnitude of the industry . The figures are far from complete , for in general , they do not include stones quarried casually for local use . Neither are the figures classified into groups ...
... stones in India give only a rough idea of the magnitude of the industry . The figures are far from complete , for in general , they do not include stones quarried casually for local use . Neither are the figures classified into groups ...
Page 162
... stones have been obtained . The diamondiferous gravel consists of quartz , chert and jasper pebbles . In the Anantpur district diamonds are possibly associated with a plagioclase - augite rock that occurs at Wajra Karur ( 15 ° 02 ′ : 77 ...
... stones have been obtained . The diamondiferous gravel consists of quartz , chert and jasper pebbles . In the Anantpur district diamonds are possibly associated with a plagioclase - augite rock that occurs at Wajra Karur ( 15 ° 02 ′ : 77 ...
Page 171
... stones are of pleasing colour but are usually too flawed to be of value as gem - stones . Iolite . Cordierite or iolite , a mineral exhibiting striking pleochroism . is found in the gem gravels of Ceylon , and cut as a gem under the ...
... stones are of pleasing colour but are usually too flawed to be of value as gem - stones . Iolite . Cordierite or iolite , a mineral exhibiting striking pleochroism . is found in the gem gravels of Ceylon , and cut as a gem under the ...
Contents
SUMMARY OF THE MORE IMPORTANT MINERALS V P SONDHI | 37 |
Asbestos | 44 |
Bauxite | 51 |
Copyright | |
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acid aluminium annual production asbestos Assam B. C. Roy bauxite Bihar Bombay Canada cement cent chemical chromite coal coke colour consumption copper corundum Cwts deposits district dolomite estimated export feet figures furnace Gallons Geol given in Table glass gold grade graphite gypsum Hyderabad ilmenite important increase India Indian Union industry Iron & Steel Iron and Steel Jodhpur kankar 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 ochres Orissa output oxide Pakistan partitioned in August pegmatites period under review producing countries quartz quinquennium under review Rajasthan refractory reported reserves rocks salt Saltpetre Saurashtra silica sillimanite Singhbhum sodium South STANFORD stones sulphate sulphuric Surv talc tion Tons Tons tons valued Travancore Uttar Pradesh veins Vindhya Pradesh wolfram world production Zawar zinc