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老矿区磁铁矿床原来仅用TFe来评价磁铁矿石,通过对老矿区或外围补充勘查后的TFe及MFe分析资料,回归分析找出MFe与TFe的关系,并据此计算出MFe,可利用MFe及TFe的指标重新评价老矿区的矿石质量或重新进行资源储量估算。
In the old mine magnetite deposit, magnetite ore was only evaluated by only TFe. By analyzing the TFe and MFe data after the survey, the relationship between MFe and TFe was found by regression analysis and the MFe was calculated. MFe and TFe indicators to re-evaluate the quality of ore in old mines or to re-estimate resource reserves.