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Founded in 1987， Bimonthly
Supervisor：Jiangxi University Of Science And Technology
Sponsored by：Jiangxi University Of Science And Technology
Jiangxi Nonferrous Metals Society
ISSN：1674-9669
CN：36-1311/TF
CODEN YJKYA9
Volume 20 Issue 1
Mar.  2006
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JIANG Si-hai, LI De-bin. Decision for Mining and Dressing of Low-grade Ores by Breakeven Grades[J]. Nonferrous Metals Science and Engineering, 2006, 20(1): 22-25.
Citation: JIANG Si-hai, LI De-bin. Decision for Mining and Dressing of Low-grade Ores by Breakeven Grades[J]. Nonferrous Metals Science and Engineering, 2006, 20(1): 22-25.
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Decision for Mining and Dressing of Low-grade Ores by Breakeven Grades

  • 1.

    Yichun Vocation Technique lnstitute, Yichun 336000, Jiangxi, China

  • 2.

    Yichun Ta & Nb Mine, Yichun 336003, Jiangxi, China

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  • Received Date: December 16, 2005
  • Published Date: March 30, 2006
    Graphical Abstract
    • Abstract
  • The method of breskeven grades is used to decide if the black-spot ores are economic or not in Yichun Ta & Nb Mine and make decision of mining and dressing.If the grades of black-spot ores are lower than present balance grades, the mines which are mining and dressing the ores will suffer loss.The result is that the blackspot ores are sub-marginal economical resources and are not worth exploring.
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    • References (2)
  • [1]
    国土资源部储量司. GB/T17766-1999固体矿产资源/储量分类[S]. 北京: 中国标准出版社, 1999. http://www.doc88.com/p-60799065577.html
    [2]
    赵瑞荣.露天矿短期生产计划边界品位的确定原则与计算[J].中国矿业, 1998, (3):16. http://www.wenkuxiazai.com/doc/4dd8bbed58fafab068dc024c-2.html
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