|• Ethnicities||Shan, Palaung|
|Time zone||MST (UTC+6.30)|
Namtu (Shan: ၼမ်ႉတူႈ) is a town in northern Shan State, Burma. Famous for its Bawdwin and Namtu silver mines, it is situated on the Nam Tu River, and is connected to Lashio by the Burma Mines Railway.
The Namtu Bawdwin Mines were the world's largest source of lead, and one of the world's largest sources of silver before the Second World War. Before the British arrived in the 1880s, the Saopha of Tawngpeng controlled the mines at Namtu, although the mining work was undertaken not by the Palaung but by the Chinese from Yunnan Province across the border. The mines fell into disuse when the lode was followed to the ground water level. They were revived by the British and the largest mines were operated by the Burma Corporation at the beginning of the 20th century. Today the Namtu mines are under state control, known as No 1 Mining Enterprise and run by the Ministry of Mines.
A Chinese company won the contract in 2002 for the construction of a zinc oxide plant at Namtu, processing 50,000 tonnes of zinc slag annually and the zinc oxide to be exported to a smelter in Yunnan.
In 1904, Herbert Hoover, representing Bewick, Moreing and Company, visited the mines upon the urging of A.C. Martin. Martin was building the railway from Mandalay to Lashio and owned the lease. Hoover arranged capital to develop the mines and agreed to invest some of his own savings in what he called "the largest chance of my life." The capital was also used to link the mines via rail to the main line and erect a smelter in Mandalay to melt the slags. The initial promise of financial return from the abandoned copper-lead mine was in the enormous lead left behind in the surface slag. The mines had been worked by the Chinese from 1400 until 1850, mainly for silver. However, after separating the silver via cupellation, the lead was left behind. The Chinese left "hundreds of dumps and tunnels, extending over nearly three miles." One open was a thousand feet long, five hundred feet wide, and three hundred feet deep. Lead production began in 1908, the same year Hoover became managing director of Burma Mines. The "Chinaman Tunnel" was completed in 1910. Hoover became chairman of the board in 1914. The two mile long "Tiger Tunnel" gained access to "one of the largest and richest lead-zinc-silver ore bodies ever discovered." Production of that ore started in 1916 after the construction of mills and hydroelectric plants.:90-96,101
In 1911, the smelter was moved to Namtu and monthly lead production was 1000 tons and 22,000 ounces of silver. Total production from 1909 through Oct. 1915 was 66,000 tons of lead and 1,432,000 ounces of silver from 158,000 tons of slag and 35,000 tons of ore.
The Shan State Army (SSA-North)'s Third Brigade has been active in Mongmit, Kyaukme, Hsipaw, Namtu and Lashio. It reached a cease-fire agreement with the Burmese military government (SLORC) in 1989, and its activities have been severely curtailed. The Palaung State Liberation Organization, also active in the region and another one of the cease-fire groups, announced a ban on the cultivation of the opium poppy in the area under their control. They had alleged that the Burmese military was levying a tax on the poppy farmers.
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