|
The Udachnaya pipe ((ロシア語:тру́бка Уда́чная), literally ''lucky pipe'') is a diamond deposit in the Daldyn-Alakit kimberlite field in Sakha Republic, Russia. It is an open-pit mine, and is located just outside the Arctic circle at . ==History== Udachnaya was discovered on June 15, 1955, just two days after the discovery of the diamond pipe Mir by Soviet geologist Vladimir Shchukin and his team. It is more than deep, making it the third deepest open-pit mine in the world (after Bingham Canyon Mine and Chuquicamata).〔 The nearby settlement of Udachny is named for the deposit. , Udachnaya pipe is controlled by Russian diamond company Alrosa, which planned to halt open-pit mining in favor of underground mining in 2010.〔 The mine has estimated reserves of 225.8 million carats of diamonds and an annual production capacity of 10.4 million carats.〔(【引用サイトリンク】title=Diamond deposits in the Sakha Republic )〕 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「Udachnaya pipe」の詳細全文を読む スポンサード リンク
|