Records of the Geological Survey of India, Volume 76, Parts 15-16 |
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Page 9
... caking 60 to 70 About 5.0 20 to 35 Above 45 Below 55 Non - coherent . ( 1 ) Non - caking , long flame Reverberatory furnaces 75 to 80 4.5 to 5.5 15 to 20 40 to 45 55 to 60 Non - coherent . Bituminous ( 2 ) Caking , long flame Gas ...
... caking 60 to 70 About 5.0 20 to 35 Above 45 Below 55 Non - coherent . ( 1 ) Non - caking , long flame Reverberatory furnaces 75 to 80 4.5 to 5.5 15 to 20 40 to 45 55 to 60 Non - coherent . Bituminous ( 2 ) Caking , long flame Gas ...
Page 79
... caking to poorly - caking , long flame , bituminous to sub - bitu- minous coals . ( b ) Raniganj coal measures ( of the Jharia field , together with the lower seams of the western and middle parts of the Raniganj coal- field ) .- Caking ...
... caking to poorly - caking , long flame , bituminous to sub - bitu- minous coals . ( b ) Raniganj coal measures ( of the Jharia field , together with the lower seams of the western and middle parts of the Raniganj coal- field ) .- Caking ...
Page 105
... caking , moisture is often below 5 per cent . and ash also . Volatiles being high , the coal is extremely free - burning and has a high calorific value . TABLE 40 .-- Analyses of the Eocene Coals of Assam . Locality . Mois- ture . Ash ...
... caking , moisture is often below 5 per cent . and ash also . Volatiles being high , the coal is extremely free - burning and has a high calorific value . TABLE 40 .-- Analyses of the Eocene Coals of Assam . Locality . Mois- ture . Ash ...
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