Records of the Geological Survey of India, Volume 76, Parts 15-16 |
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Page 60
... thin lean quartz - wolfram veins in coarse - grained biotite granites . According to local report , water scarcity was responsible for its abandonment . Thin quartz wolfram veins in granite and decom- posed slaty rocks north - east of ...
... thin lean quartz - wolfram veins in coarse - grained biotite granites . According to local report , water scarcity was responsible for its abandonment . Thin quartz wolfram veins in granite and decom- posed slaty rocks north - east of ...
Page 59
... thin seams of coal . In the underlying stages , no definite Laki fossils have been found though it is probable that ... thin streaks of coal . Thickness 3,000 4,000 feet . Laisong stage - bedded sandstones and subordinate shale , with ...
... thin seams of coal . In the underlying stages , no definite Laki fossils have been found though it is probable that ... thin streaks of coal . Thickness 3,000 4,000 feet . Laisong stage - bedded sandstones and subordinate shale , with ...
Page 60
... thin coal seams . Naogaon stage . - Well - bedded and thin - bedded hard , grey sand- stones with minor shaly beds . ( Disang series . ) Identifiable fossils , not numerous , indicate that the lower part- of the Barail series is of ...
... thin coal seams . Naogaon stage . - Well - bedded and thin - bedded hard , grey sand- stones with minor shaly beds . ( Disang series . ) Identifiable fossils , not numerous , indicate that the lower part- of the Barail series is of ...
Contents
INTRODUCTION | 1 |
Graphs showing the Burma British Empire and World production | 2 |
TABLES | 17 |
16 other sections not shown
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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