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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Ekati Diamond Mine ： ウィキペディア英語版 Ekati Diamond Mine The Ekati Diamond Mine ("Ekati") is Canada's first surface and underground diamond mine. It is located north-east of Yellowknife,〔 Northwest Territories, and about south of the Arctic circle, near Lac de Gras. Ekati is a joint venture between Dominion Diamond Corporation (80%), and the two geologists who discovered kimberlite pipes north of Lac de Gras, Chuck Fipke and Stewart Blusson each holding a 10% stake in the mine.〔 ==History== The first volcanic pipe found in the Lac de Gras region was the Point Lake kimberlite,〔Erlich, E., Dan Hausel, W. (2002) Diamond deposits: origin, exploration, and history of discovery. Society for Mining, Metallurgy, and Exploration, Inc. (SME), Littleton, CO.〕 discovered by Chuck Fipke and Stewart Blusson who had been prospecting in the region for almost ten years, having found kimberlite indicator minerals as early as 1985.〔 The Point Lake kimberlite was determined to be uneconomic, but its discovery precipitated one of largest staking rushes in mining history, covering most of the area between Yellowknife and the Arctic coast.〔(The Northern Miner 1998 "Mining Man of the Year" award to Hugo Dummett )〕 There are 156 known kimberlite pipes within the Ekati block of claims, including the Point Lake pipe. Ekati officially began operations on October 14, 1998, and was operated by BHP Billiton Canada Inc., a part of the BHP Billiton Group, the world's largest diversified resources company. As of November 2012 the mine was expected to operate for another seven years.〔 On November 13, 2012, CBC reported that the Harry Winston Diamond Corporation (now: Dominion Diamond Corporation), 40% owners of Diavik Diamond Mine, would buy Ekati for US$500 million. The current employees of BHP Billiton at the site in Yellowknife and Antwerp will continue to be employed by Harry Winston.〔(Harry Winston buying Ekati mine for $500M US )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ekati Diamond Mine」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.