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Impact of Geophysics in Small-Scale Mining

机译:地球物理在小规模采矿中的影响

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Geological exploration for new mining ventures involves drilling campaigns, an expensive activity that may take significant time, with no guarantee of financial success. The literature review indicated that the average cost of drilling may reach over US $100 per meter drilled, and that the use of Geophysics can reduce by 30% to 50% the number of negative drill holes (holes that does not intercept the mineral orebody), thus reducing time and cost of mineral exploration. This paper shows how the application of Geophysics in two small-scale mining operations, a limestone and manganese mine, resulted in reduced exploration time with satisfactory results for the companies. In the limestone mine, Geophysics allowed the updating of the geological model. In the manganese mine, it contributed to the generation of a preliminary geological model for the deposit. In both cases, there was a significant reduction of the time spent on exploration.
机译:新采矿企业的地质勘探涉及钻探活动,这是一项昂贵的活动,可能会花费大量时间,并且无法保证财务上的成功。文献综述表明,平均钻探成本可能达到每米100美元,使用地球物理技术可以减少30%至50%的负向钻孔数量(不拦截矿物矿体的钻孔),从而减少了矿物勘探的时间和成本。本文说明了地球物理学在石灰石和锰矿两个小型采矿作业中的应用如何减少了勘探时间,并为公司带来了令人满意的结果。在石灰岩矿山中,地球物理技术允许更新地质模型。在锰矿中,它有助于生成矿床的初步地质模型。在这两种情况下,勘探时间都大大减少了。

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