TOS forum, Issue 8, p. 32 (2018)

The costs of sampling errors and bias to the mining industry

Richard C.A. Minnitt
School of Mining Engineering, University of the Witwatersrand, Private Bag 3, 2050 South Africa. E-mail: [email protected]

This is Richard Minnitt’s regular contributing presentation at WCSB8, Perth. This presentation is another example of a subject matter that lends itself eminently to graphic rendition, which is the exact reason it was decided also to bring this feature in its original PowerPoint format; the presentation layout and style is overwhelmingly pleasing. There is here a wealth of information regarding an issue which is often lamented as lacking: what are the economic costs of inferior sampling. Richard Minnitt here collects a range of illustrative examples that will serve well for all samplers trying to convey the everlasting massage: “It pays to pay attention to unnecessary sampling errors and—bias”.

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