Ghana

Why your mine plan’s lying to you - and what Rondon and Assibey-Bonsu say to do about it before it costs you millions in misclassified waste and phantom tonnes

At the AusIMM 2025 Mineral Resource Estimation Conference, Dr Oscar Rondon, principal geostatistician at Datamine, tackled a question that has dogged mining professionals for decades: Is estimating recoverable resources still hopeless? The talk revisited a decades-old challenge in resource estimation, combining Rondon’s clear communication with Assibey-Bonsu’s extensive experience in the mining industry.