Records of the Geological Survey of India, Volume 76, Parts 9-14Government of India, 1947 - Geology Includes the "Annual report of the Geological Survey of India," 1867- |
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Page 30
... figure almost equal to that of the 1929 peak , by 1935 it was more than 850,000 tons in excess of the earlier peak ... figures quoted are of crude - ore and not of concentrates . Otherwise it is difficult to appreciate the reason for ...
... figure almost equal to that of the 1929 peak , by 1935 it was more than 850,000 tons in excess of the earlier peak ... figures quoted are of crude - ore and not of concentrates . Otherwise it is difficult to appreciate the reason for ...
Page 44
... figures for scrap mica have no appreciable bearing whatever on the mica industry . Also although the figures for India are for dressed mica those for some countries are for crude or rough - trimmed mica . The pre - eminence of India's ...
... figures for scrap mica have no appreciable bearing whatever on the mica industry . Also although the figures for India are for dressed mica those for some countries are for crude or rough - trimmed mica . The pre - eminence of India's ...
Page 49
... figures for splittings to individual countries are not published in official statistics . The export prices per cwt . quoted in the table are , therefore , lower than the TABLE 18. - United States imports of splittings and films from ...
... figures for splittings to individual countries are not published in official statistics . The export prices per cwt . quoted in the table are , therefore , lower than the TABLE 18. - United States imports of splittings and films from ...
Contents
GENERAL | 1 |
THE MODE OF OCCURRENCE | 8 |
Indian provincial production of manganese | 12 |
13 other sections not shown
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Common terms and phrases
abrasive albite alloys amount annual average B. C. Roy belt beryl Beryllium Bihar block mica Bombay braunite Brazil built-up mica Calcutta Canada cent Central Provinces chalcocite chalcopyrite cleavage colour condenser films containing copper copper deposits corundum countries crystals deposits occur district dressed mica electrical exports fair stained feet felspar ferromanganese garnet Geol Geological Survey gonditic granite Heavily stained important inches India insulation iron and steel iron-ores J. A. Dunn known Kodarma limestone lode M. S. Krishnan Madras mainly manganese manganese-ore manufacture metal mica industry mica-schists micanite miles million tons Mineral Resources mines muscovite Mysore obtained ore-bodies oxide pegmatites phlogopite plate production psilomelane pyrolusite quality block quality mica quartz Rajputana recent replacement rocks ruby Sandur schists sheet mica silicate Singhbhum sizes smelting South splittings sulphide surface Surv Survey of India Table thickness United vanadium veins world's