Chapter 28 Tin–tungsten deposits of Myanmar | Geological Society .(b) Sn–W mineralization at margins of a quartz vein in granite in the Mawchi Mine (location, . Details of the major tin–tungsten-producing mines in Myanmar.granite quarry in burma,Jewels of Responsibility from Mines to Markets - University of Vermontprovide useful fodder for detecting a stone's origin. The oxygen ... standards were of Burma mines and therefore were still subject to the ban" (Buckley. 2008).
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