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Author Armstrong, M.; Valencia, J.; Lagos, G.; Emery, X.
Title Constructing Branching Trees of Geostatistical Simulations Type
Year 2022 Publication Mathematical Geosciences Abbreviated Journal Math. Geosci.
Volume 54 Issue Pages (down) 711-743
Keywords Mine planning; Multi-stage programming with recourse; Scenario reduction; Geological uncertainty; Adaptive optimisation
Abstract This paper proposes the use of multi-stage stochastic programming with recourse for optimised strategic open-pit mine planning. The key innovations are, firstly, that a branching tree of geostatistical simulations is developed to take account of uncertainty in ore grades, and secondly, scenario reduction techniques are applied to keep the trees to a manageable size. Our example shows that different mine plans would be optimal for the downside case when the deposit turns out to be of lower grade than expected compared to when it is of higher grade than expected. Our approach further provides th
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ISSN 1874-8961 ISBN Medium
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Notes WOS:000725900700001 Approved
Call Number UAI @ alexi.delcanto @ Serial 1506
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