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 29
... developed in the dolomitised Precambrian shales on the hanging wall side of the Black Star silver - lead - zinc ore - bodies ; in 1943 , 3 million tons of ore reserves containing 3 per cent . copper had been developed from the lower ...
... developed in the dolomitised Precambrian shales on the hanging wall side of the Black Star silver - lead - zinc ore - bodies ; in 1943 , 3 million tons of ore reserves containing 3 per cent . copper had been developed from the lower ...
Page 50
... develop- ment in depth below No. 6 level . There is another lode in the hanging wall , but it has scarcely been touched and little is known about it . A little to the south are other veins , one of which has been developed from No. 4 ...
... develop- ment in depth below No. 6 level . There is another lode in the hanging wall , but it has scarcely been touched and little is known about it . A little to the south are other veins , one of which has been developed from No. 4 ...
Page 51
... developed north and south for a total distance of some 6,000 feet . At the close of 1940 the ore reserves standing at the Mosaboni mine amounted to about one million short tons with an average assay value of about 2.00 per cent . copper ...
... developed north and south for a total distance of some 6,000 feet . At the close of 1940 the ore reserves standing at the Mosaboni mine amounted to about one million short tons with an average assay value of about 2.00 per cent . copper ...
Contents
GENERAL | 1 |
THE MODE OF OCCURRENCE | 8 |
Indian provincial production of manganese | 12 |
13 other sections not shown
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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