Records of the Geological Survey of India, Volume 76, Parts 15-16 |
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Page 58
... veins , greisen has commonly developed on either flank so that the actual thickness of quartz is only from one to two feet . In a general sense the Yamethin veins carry practically no accessory minerals although traces of molybdenite ...
... veins , greisen has commonly developed on either flank so that the actual thickness of quartz is only from one to two feet . In a general sense the Yamethin veins carry practically no accessory minerals although traces of molybdenite ...
Page 65
... vein 1 feet thick on the outcrop was noted , but in an adit driven on the vein , the veins encountered were only from one to four inches thick and were very irregular , branching and uniting : they dip almost due west at 60 ° and rich ...
... vein 1 feet thick on the outcrop was noted , but in an adit driven on the vein , the veins encountered were only from one to four inches thick and were very irregular , branching and uniting : they dip almost due west at 60 ° and rich ...
Page 109
... vein quartz , about 2 lbs . of wolfram was obtained . This implies a percentage wolfram mineralisation of 0036 in the veins . No eluvial wolfram deposits occur . CENTRAL PROVINCES . Nagpur . - Agargaon ( 79 ° 29 ′ 21 ° 6 ′ ) . The ...
... vein quartz , about 2 lbs . of wolfram was obtained . This implies a percentage wolfram mineralisation of 0036 in the veins . No eluvial wolfram deposits occur . CENTRAL PROVINCES . Nagpur . - Agargaon ( 79 ° 29 ′ 21 ° 6 ′ ) . The ...
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