Records of the Geological Survey of India, Volume 76, Parts 15-16 |
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Page 6
... latter however is production from mixed concentrates of tin and wolfram , some of which have been produced by the mining of lodes and some from the sluicing of eluvials . The average is raised by the production of the dredging companies ...
... latter however is production from mixed concentrates of tin and wolfram , some of which have been produced by the mining of lodes and some from the sluicing of eluvials . The average is raised by the production of the dredging companies ...
Page 21
... latter accept- ing a standard tonnage of 18,000 tons and a minimum export tonnage of 11,100 tons calculated on a basis of 72 per cent . metallic content of the concentrates . World's production for the year was 181,105 tons , of which ...
... latter accept- ing a standard tonnage of 18,000 tons and a minimum export tonnage of 11,100 tons calculated on a basis of 72 per cent . metallic content of the concentrates . World's production for the year was 181,105 tons , of which ...
Page 73
... latter is greatly crushed and sheared ; numerous faults also affect the area . The seam varies greatly in thickness from nothing up to about 17 feet . Analyses show , however , that the major portion is of very poor quality . Under such ...
... latter is greatly crushed and sheared ; numerous faults also affect the area . The seam varies greatly in thickness from nothing up to about 17 feet . Analyses show , however , that the major portion is of very poor quality . Under such ...
Contents
INTRODUCTION | 1 |
Graphs showing the Burma British Empire and World production | 2 |
TABLES | 17 |
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Common terms and phrases
adits alloys alluvial analyses Assam assay average Barakar coals Barakar measures Burma Burma Tin caking cassiterite cent chaung coal measures coal seams coal-bearing coalfields coking colliery countries Damodar decomposed district east eluvial eluvial deposits Eocene export feet thick fuel Geol Geological Survey Gondwana granite High Speed Steel hills India Indian Coal industry Jharia field Karenni lignite limestones lodes lower M. S. Krishnan Maung Mawchi Mergui district Mergui series metal miles million tons mineral moisture Nil Nil outcrop output pegmatite picul production quartz quartz veins railway range Raniganj Raniganj field reef river rocks sandstones Sandstones and shales scheelite sedimentary sediments shales Shan sluicing smelters steel strata strike Survey of India TABLE Taung Tavoy Tertiary thin tin and wolfram tin concentrates Tin Mines tons of tin tungsten trioxide Upper valley vary whilst width wolfram concentrates workable Yamethin