672 With the grade–tonne curve, it is determined that the reserve tonne of the base plan. Figure 6 - Isometric View of the Base Plan Reserve Model Source: Own elaboration Using the total LOM plan tonne and the analysis range defined by the implementation of ore sorting, 10.5 $/t to 17 $/t, the additional tonne is quantified. To do this, the cut-off grade of the model is extended down to 10.5 $/t using the average grade–tonne curve. The results obtained are presented below. Figure 7 - Grade–Tonne Curve of the Plan with Ore Sorting Source: Own elaboration Using the tonnes vs. average grade curve, the reserve tonnes of the plan and the additional tonnes generated by implementing the technology are quantified. Figure 8 - Isometric View of the Reserve Model for the Plan with Ore Sorting Source: Own elaboration
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