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Communication dans un congrès

ADDITIVITY, METALLURGICAL RECOVERY, AND GRADE

Abstract : Proper estimation of the metallurgical recovery is very important for the assessment of the economical value of a mining business. As this quantity is nonadditive, it is not possible to model its spatial variability or to perform its estimation directly. In the present work, we first recall that additivity can concern the intrinsic nature of point-support quantities, and not only the usual support effect encountered in data sets mixing samples with different sizes. Then, on a practical study based on sulphide copper data, we show when non-additive practices have an impact on the results and when they do not. Finally, we open a discussion where we explain how to proceed to assess metallurgical recovery.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00776943
Contributeur : Serge Antoine Séguret <>
Soumis le : mercredi 16 janvier 2013 - 15:10:21
Dernière modification le : mercredi 14 octobre 2020 - 03:52:39
Archivage à long terme le : : samedi 1 avril 2017 - 06:14:17

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chili_recovery_2008.pdf
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  • HAL Id : hal-00776943, version 1

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Pedro Carrasco, Jean-Paul Chilès, Serge Antoine Séguret. ADDITIVITY, METALLURGICAL RECOVERY, AND GRADE. 8th international Geostatistics Congress, Dec 2008, Santiago, Chile. pp.on CD. ⟨hal-00776943⟩

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