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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 South Crofty ： ウィキペディア英語版 South Crofty South Crofty is a metalliferous tin and copper mine located in the village of Pool, Cornwall, England, United Kingdom. An ancient mine, it has seen production for over 400 years, and extends almost two and a half miles across and down and has mined over 40 lodes. Evidence of mining activity in South Crofty has been dated back to 1592, with full-scale mining beginning in the mid-17th century. The mine went into serious decline after 1985 and eventually closed in 1998. After several proposed developments for the site, its future is currently uncertain. ==History== South Crofty Mine, at Pool between Camborne and Redruth, is an ancient tin mine. For several centuries its shallow workings exploited copper rather than the deeper tin mineralisation. References implying mining, rather than streaming, occur in the area as early as 1592, and clearly by the mid-17th century mining was well established. During this period part of the mine which today is known as South Crofty was then called Penhellick Vean. The first really significant developments came in 1710 when Francis Bassett obtained a lease of Penhellick Vean and a drainage adit was begun. Over the next twenty years these shallow workings (less than deep) produced copper of great value and made the fortune of the Bassett family. Following the opening of the numerous copper mines on Anglesey, which occurred in the 1770-1780 period, most of the mines around South Crofty closed down. 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「South Crofty」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.