Records of the Geological Survey of India, Volume 76, Parts 15-16 |
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Page 58
... important pro- portion of the sediment laid down during upper Eocene times and , by its conversion into lignitic coal , the thick workable seams of the Naga and Patkoi hills were formed . ( b ) Coal measures of the Jaintia series ...
... important pro- portion of the sediment laid down during upper Eocene times and , by its conversion into lignitic coal , the thick workable seams of the Naga and Patkoi hills were formed . ( b ) Coal measures of the Jaintia series ...
Page 122
... important producer of coal in India ; in 1900 , out of a total Indian production of 6-12 million tons , the field raised 2.55 millions . Towards the end of that century , however , the potentialities of the Jharia field became ...
... important producer of coal in India ; in 1900 , out of a total Indian production of 6-12 million tons , the field raised 2.55 millions . Towards the end of that century , however , the potentialities of the Jharia field became ...
Page
... important consensus of opinion agrees that control should be exercised over the question of work- ing the seams in sequence in order to avoid damage to higher seams of possible value , as has unfortunately occurred in the past . This ...
... important consensus of opinion agrees that control should be exercised over the question of work- ing the seams in sequence in order to avoid damage to higher seams of possible value , as has unfortunately occurred in the past . This ...
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