• comparison between kriging and inverse distance methods for improving extraction blocks grade control in sarcheshmeh copper mine

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1389/07/20
    • تاریخ انتشار در تی پی بین: 1389/07/20
    • تعداد بازدید: 680
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     producing fix tonnage and grade is the most important process that each mine is dealing with it. this knowledge is improved by using both of extraction and exploration data with have the same coordinate. inverse distance to power 3 is currently methods that used to extraction blocks grade control. in this paper, by combining extraction and exploration data after using statistical test and after accounting optimum variogram parameters using jackknife kriging and residual analysis, kriging methods applied to grade control of extraction blocks of 2412.5 bench mark of sarcheshmeh copper deposits. estimation variances showed utmost 0.07% in 2412.5 benchmark. at last these two estimators compared with each other and regression between them showed regression between 70 to 85 percent. these results showed that idw have a satisfied validation in grade control of extraction blocks in sarcheshmeh copper mine.

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