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Sullivan Mine
The Sullivan Mine was an underground conventional–mechanized mine located in Kimberley, British Columbia, Canada; it has a complex, sediment-hosted orebody, made up primarily of zinc, lead, and iron sulfides. Lead, zinc, silver and tin were the economic metals produced.〔The Geologic Environment of the Sullivan Deposit, British Columbia, GSC Mineral division Special Publication No. 1〕
The deposit was discovered in 1892 and acquired in 1909 by the CPR-owned Consolidated Mining and Smelting Company of Canada (later Cominco Ltd. and Teck Cominco). The mine's economic success resulted largely from Sullivan's 1916 development of the differential flotation process that allowed separate recovery of lead and zinc concentrates in the milling process. This technology, developed by Trail operations at Sullivan,〔http://www.metsoc.org/virtualtour/processes/zinc-lead/cominco.asp Cominco's Trail Operations〕 has been used worldwide for various types of ore bodies. In its lifetime, the mine produced ore containing over 17 million tons of zinc and lead and more than of silver, which were together worth more than $20 billion. After 92 years of active production, the Sullivan Mine was closed in 2001. Since then Teck Cominco has been undertaking an extensive decommissioning and reclamation process at the site.
== Mining operations and accidents ==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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