Always look at a range of top-cut (capping) techniques: There is no single ‘magic bullet’ technique for top-cutting a set of data; the top-cut chosen will depend upon the nature of the data, the support of the data and the…
30 Seconds of Info. Today's topic is - Should you use Aircore samples in your resource estimate? Author is Ian Glacken, Optiro's Director of Geology.
30 Seconds of Reconciliation Info. The topic is Stockpile volumes. The author is Ian Glacken, Optiro's Director of Geology.
30 Seconds of Info - What to do if you have conditional bias. Author Ian Glacken - Optiro Geology Director.
This week's 30 Seconds of Info is from Ian Glacken our Director of Geology.
Reconciliation and heap leach mining:
For all of its apparent simplicity as an extraction method, heap leaches (progressive extraction of metal from dumped – and perhaps crushed – material through chemical dissolution of valuable components) can cause real problems for reconciliation.
Our 30 Seconds of Info videos are presented in Chinese, with English subtitles, by our Consultant Gregory Zhang. The videos are full of useful tips and technical tricks compiled by Ian Glacken our Geology Director and Paul Blackney our Principal Consultant. These videos cover Sampling, QAQC, Resource Estimation and Reconciliation.
This week’s 30 Seconds of Reconciliation Info is from Ian Glacken our Geology Director. The frequency of reconciliation: This is an area where practice varies enormously; some organisations believe that reconciliation on anything less than a three-month increment is meaningless…
This week’s 30 Seconds of Reconciliation Info is from Ian Glacken our Geology Director. The curse of truck factors: Truck factors are conversions applied to, usually, the volume but sometimes the tonnage, of trucks from underground mines or open pits…
This week’s 30 Seconds of Reconciliation Info is from Ian Glacken our Director of Geology. Reconciliation of planned and unplanned dilution for underground stopes: Typically, underground stopes of relatively limited dimensions (i.e. not sublevel or block caving shapes) are designed…
This week’s 30 Seconds of Reconciliation Info comes from Ian Glacken our Director of Geology. Remember that the ore blocks you design may not be the ore blocks you mine: Always remember that ‘as-designed’ may not (usually will not) be…
