Records of the Geological Survey of India, Volume 76, Parts 15-16 |
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Page 33
... percentage of tungstic acid in the concentrates the smaller the losses in the production of ferro - tungsten . Hence Desirability of " High buyers can afford to pay the top market price percentage concen- for a high concentrate ...
... percentage of tungstic acid in the concentrates the smaller the losses in the production of ferro - tungsten . Hence Desirability of " High buyers can afford to pay the top market price percentage concen- for a high concentrate ...
Page 79
... percentage of moisture often varies from 6 to 10 , the combination results in low calorific values . Regarding the ... percentages of volatile matter varies from about 40 to 46 and free carbon from 54 to 60. All these percentages refer ...
... percentage of moisture often varies from 6 to 10 , the combination results in low calorific values . Regarding the ... percentages of volatile matter varies from about 40 to 46 and free carbon from 54 to 60. All these percentages refer ...
Page 93
... percentage . rected fixed carbon percentage . Fuel ratio , using cor- coal substance un- corrected . Volatile matter in pure coal substance Volatile matter in pure rected . cor- XVIII 14.64 16.30 25.60 59-76 58.10 2.335 2.270 29.9 30.55 ...
... percentage . rected fixed carbon percentage . Fuel ratio , using cor- coal substance un- corrected . Volatile matter in pure coal substance Volatile matter in pure rected . cor- XVIII 14.64 16.30 25.60 59-76 58.10 2.335 2.270 29.9 30.55 ...
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