In this episode of Fresh Thinking, our host Dr Gregory Zhang is joined by Ian Glacken, Executive Consultant - a leading expert in grade control and reconciliation.

They explore why reconciliation is fundamental to every mine, how grade control fits into the mine value chain, and what makes accurate modelling essential for achieving reliable results.

Key Time Stamps 0:46 – What is Reconciliation and Why It Matters Ian explains why reconciliation is fundamental to every mining operation and what makes it complex and critical. 1:31 – The Role of the Grade Control Model Discussion on how grade control fits within the mine value chain and its link to production and reconciliation outcomes. 3:13 – Reconciliation is a Team Effort How geologists, mining engineers, metallurgists, and finance teams all play a part in accurate reconciliation. 5:42 – Grade Control Modelling Methods Ian outlines common estimation techniques used in grade control, including ordinary kriging and inverse distance methods. 7:38 – When to Use Advanced Estimation Methods The team discusses when probabilistic or multiple indicator kriging methods may offer better results for complex orebodies. 8:49 – Wrap-Up and Key Takeaways Greg and Ian summarise the importance of good grade control, accurate modelling, and effective reconciliation practices.

🎧 Tune in to understand how better grade control leads to smarter, more consistent mining outcomes.

If you would like to contact Ian or Greg: [email protected]

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