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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 Cripple Creek & Victor Gold Mine ： ウィキペディア英語版 Cripple Creek & Victor Gold Mine The Cripple Creek & Victor Gold Mine, formerly and historically the Cresson Mine, is an active gold mine located near the town of Victor, in the Cripple Creek mining district in the US state of Colorado. It is the largest current producer of gold in Colorado, and produced 211,000 troy ounces of gold in 2014.〔(Active Mines in Colorado ) Colorado Geological Survey website, accessed: 6 July 2010〕〔(FACTS ABOUT COLORADO MINING ) Colorado Mining Association website, accessed: 6 July 2010〕 It was fully owned and operated by AngloGold Ashanti through its subsidiary, the Cripple Creek & Victor Gold Mining Company (CC&V).〔(About CC&V ) Cripple Creek & Victor Gold Mining Company website, accessed: 5 July 2010〕 In June 2015, AngloGold agreed to sell the mine to Newmont Mining Corporation.〔"Newmont to acquire CC&V mine from Anglogold Ashanti," ''Engineering & Mining Journal'', July 2015 p.4.〕 The purchase by Newmont was completed in August 2015.〔() Newmont completes purchase of Cripple Creek & Victor gold mine, accessed: 9 August 2015〕 The mine is an open pit operation. The gold is recovered from the ore by heap leaching. CC&V's heap leach pad is one of the biggest in the world.〔 The mine has a visitor center〔(【引用サイトリンク】url=http://www.ccvgoldmining.com/contactsearch.html )〕 with displays about modern mining procedures, historical photos, ore and core samples, and mineral uses.〔(【引用サイトリンク】url=http://www.visitcripplecreek.com/businesses/cripple-creek-victor-visitor-center )〕 Visitors can tour the mine with advance reservation through the Victor Lowell Thomas Museum in Victor, Colorado.〔(【引用サイトリンク】url=http://www.victorcolorado.com/mining.htm )〕 ==Geology== The ore is in altered and brecciated volcanic and volcanoclastic rocks of Oligocene age and predominantly quartz latite composition. The Cripple Creek volcanic complex is surrounded by Precambrian gneiss, granite, and quartz monzonite. The gold occurs as disseminated micrometre-size free gold and as gold-silver tellurides, or telluride minerals. Gangue minerals include pyrite, quartz, and fluorite. 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「Cripple Creek & Victor Gold 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.