Conference Proceedings
Iron Ore 2011
Conference Proceedings
Iron Ore 2011
Methodology for Selecting Borehole Samples of Iron Ore for Mineral Processing Characterisation
The risk assessment of mining projects is directly related to the possible failure in estimating, and as estimates are made from sampling results, this activity should be done in a judicious and planned manner, to avoid surprises at the start of project operation. Pierre Gy's (1995) sampling theory addresses the issue of sample representativeness and indicates that only the certainty that the sampling procedure was performed with quality may result in samples being recognised as representative. To validate the representativeness of samples from sampling boreholes selected for studies of mineral processing, the team of geology resource assessment of VALE has proposed a methodology based on the use of statistical analysis tools, which in addition to considering the spatial distribution of these samples in deposit, considers whether they are representative of the populations studied, allowing the geologist to make a quick analysis of sample representativeness.
Contributor(s):
G J I dos Santos, D T Ribeiro
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- Published: 2011
- PDF Size: 0.293 Mb.
- Unique ID: P201106030