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Conference Proceedings

Project Evaluation 2007

Conference Proceedings

Project Evaluation 2007

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Sampling - A Critical Component to Gold Mining Project Evaluation

Poorly designed sampling protocols generally result in high project risk by artificially increasing grade variability (ie the nugget effect). Sample collection, preparation and assay protocols that suit the ore type, together with QA/QC systems, will reduce this risk. All reporting codes (eg JORC, 2004) require the Competent Person to consider the quality and implication of sampling and assaying programs. High sampling errors beget higher project uncertainty; despite this fact, sampling does not receive the attention it deserves. The case studies presented show that many sampling issues frequently go unrecognised or unaddressed, resulting in poor project decisions during exploration through to feasibility and production. The overall conclusion is that correct sampling is critical to mining project success and that there is often a need for its optimisation.
FORMAL
CITATION:Dominy, S C, 2007. Sampling
- a critical component to gold mining project evaluation, in Proceedings
Project
Evaluation 2007, pp
89-96 (The
Australasian Institute of Mining and Metallurgy:
Melbourne).
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  • Published: 2006
  • PDF Size: 0.153 Mb.
  • Unique ID: P200704010

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