Abstract
The flow of information along the mining value chain from exploration through resource modeling, reserve estimation, mine planning, operations management and beneficiation occurs typically in a discontinuous fashion over long time spans. Due to the uncertain nature of the knowledge about the deposit and its inherent spatial distribution of grades, actual production figures in terms of produced ore grades and quality but as well production efficiency often deviate from expectations. To react to deviations, reconciliation exercises are performed to adjust mineral resource models and mine planning assumptions, however, often with a timely lag of weeks, months or even years.
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