Abstract
Extraction sequence optimisation is highly complex with thousands of ore and waste blocks to be sequenced with respect to the net present value criterion. The aim of this study is to explain the surface gravity vectors approach, which is proposed to be used in open pit mine optimisation process. This approach uses an analogy between the universal gravity law and open pit mining. The economic values of the ore blocks are assumed as their mass and the extraction sequence is determined by the total gravity vector between the shovels and ore blocks.
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