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1. This History Thread is about mining of an array of minerals in Burma (Myanmar) where the geology features varied north-south belts of ores that have long been exploited and exported without protection for environment or workers.
2. Burma trade routes for gems and metals including lead and silver date back to ancient times. #Shan ruby mines were known in 6th Century. #Kachin jadeite was first significantly traded to China (where it would become the obsession of Emperors) in 1784.
3. 1886 British troops took Mogok ruby mines. British surveyed southern Burma tin deposits 1888-1912. Bawdwin, Namtu Shan St. (mined from 15th C. by Chinese) under British exported silver, lead, zinc; future US President Hoover mining engineer there. WW2 Japanese held Bawdwin.
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