| 翻訳と辞書 |
| Bruno Creek Tailings Impoundment ： ウィキペディア英語版 |
Bruno Creek Tailings Impoundment
The Bruno Creek Tailings Impoundment is a tailings dam on Bruno Creek, southwest of Challis in Custer County, Idaho. It serves to store tailings for the nearby Thompson Creek Mine. At tall, it is the second tallest center-line tailings dam in the world. In 2008, Phase 8 of the mine was approved which includes a raising of the dam to . The dam is mainly composed of cycloned sand.〔(【引用サイトリンク】url=http://www.golder.com/in/modules.php?name=Projects&sp_id=27&service_id=152 )〕 Currently, the dam stores of tailings and the raise would increase storage to . The downstream slope of the dam will be steepened from 3:1 to 2.75:1.〔(【引用サイトリンク】url=http://www.blm.gov/pgdata/etc/medialib/blm/id/nepa/challis_fo/thompson_creek_mine.Par.75029.File.dat/TCM_Project_Description_08102010_508.pdf )〕 In 1994, it was discovered that acid mine drainage had been forming on the embankment since 1987.〔(【引用サイトリンク】url=http://www.wildwhiteclouds.org/news_mining_ThompsonCreek.html )〕 Since seepage does occur at the dam, a system of wells was installed to monitor groundwater and a seepage return dam was constructed downstream.〔
==References==
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「Bruno Creek Tailings Impoundment」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.
|
|