6 - Declustering - what is the true grade?
Declustering is a critical technique to understand and use when estimating a resource. It helps you get a more accurate picture of the whole ore body, but why is it controversial in parts of the indus...
6 Mars 201910min
5 - Reconciliation
Getting reconciliation wrong can lead to dire consequences for miners. Mine reconciliation is the practice of comparing the tonnage and grade of material processed by the mill with the tonnage and gra...
20 Feb 201911min
4 - Politics and Ideology of Resource Estimation (part 2)
Mineral resource estimation produces a model of deposits for extraction and is made up of various complex processes. In part two of this two-part series, Optiro's Director of Geology Ian Glacken discu...
6 Feb 201912min
3 - Politics and Ideology of Resource Estimation (part 1)
Mineral resource estimation produces a model of deposits for extraction and is made up of various complex processes. In part one of this two-part series, Optiro's Director of Geology Ian Glacken discu...
23 Jan 201912min
2 - Reasonable Prospects of Eventual Economic Extraction
Reporting the right information to investors is critical. The three main codes around the world that govern resource estimation and reporting to the market all contain references to RPEEE, or Reasonab...
16 Jan 201910min
1 - Top Cuts
When you're creating a resource estimate you need to be sure that you haven't relied on outlier samples. Top cutting (or capping) is a method you can use to reduce the impact of individual samples and...
9 Jan 201910min
