9 - Sampling - the critical decisions
Most important decisions in mining are in some shape or form dependent on the accuracy of sampling. There are many ways to introduce errors and its important to eliminate as many as possible. Optiro's...
16 Apr 201912min
8 - QAQC - quality is everything! (Part 2)
Quality Assurance and Quality Control, or QAQC, encompasses a range of controls that ensure accurate results in sampling. In this part 2 of the two-part series on QAQC, Optiro's Director of Geology Ia...
2 Apr 201915min
7 - QAQC - quality is everything! (part 1)
Quality Assurance and Quality Control, or QAQC, encompasses a range of controls that ensure accurate results in sampling. In this part 1 of the two-part series on QAQC, Optiro's Director of Geology Ia...
19 Mar 201915min
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 Mar 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
