陈兴海,王子风,李天奇.矿体二次圈定在国外大型露天矿山的实践应用[J].有色金属(矿山部分),2019,71(1):54-57.
矿体二次圈定在国外大型露天矿山的实践应用
The practical application of secondary delineation of ore body in a large foreign Open- Pit Mine
  
DOI:10.3969/j.issn.1671-4172.2019.01.012
中文关键词:  铜钴矿床  二次圈定  分段取样  探采对比
英文关键词:copper-cobalt deposit  secondary delineation  subsection sampling  prospecting and mining comparison
基金项目:财政部2010—2011年国外矿产资源风险勘查专项(项目编号:10251B001)
        
作者单位
陈兴海 (华刚矿业股份有限公司,北京 100039)
王子风 (华刚矿业股份有限公司,北京 100040)
李天奇 (华刚矿业股份有限公司,北京 100041)
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中文摘要:
      刚果(金)SICOMINES铜钴矿是一个铜金属量达千万吨的特大型铜钴矿床,如何保证矿产资源的充分利用是影响矿山经济效益和可持续发展的重要课题。文章阐述了矿体二次圈定在该矿山生产中的应用情况,并结合矿体产状较平缓、上下层矿体厚度变化不均匀的特点,采用了“分段取样”方法,对矿体二次圈定进行优化,有效提高了矿体圈定的精度,降低了矿石损失贫化率,也取得了显著经济效益。
英文摘要:
      The SICOMINES is a giant copper-cobalt deposit with copper metals amount of up to 10 million tons in D. R. Congo. How to ensure the full use of mineral resources is an important issue affecting the economic benefits and sustainable development of mines. The practical application of secondary delineation of ore body in SICOMINES Copper-Cobalt Deposit of D. R. Congo was introduced in this paper. Considered the occurrence of gentle ore body and uneven thickness , the "subsection sampling" method was applied to optimize the secondary delineation of ore body, improve the accuracy of ore body delineation, reduce the loss and dilution rates of ore and make significant economic benefits.
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