The behaviour of zinc, cadmium, thallium, tin and selenium during ferrihydrite precipitation from sulphate media.

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Mots clés : Environment;Ferrihydrate;Zinc;Cadmium;Thallium;Tin
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Texte
Sommaire: N/A
Publication: CIM Bulletin
Auteur(s): Elhachmi Es-Sadiqi
Mots clés: Technical Note
Numéro: 1019
Volume: 91
Année: 1998
Texte
Sommaire: Although many factors play roles in the estimation of recoverable reserves, smoothing effect and conditional bias are considered major geostatistical issues in the estimation. This paper introduces measures for smoothing effect and conditional bias, and provides insights into their relation to the estimation of recoverable reserves. Both smoothing effect and conditional bias are intrinsic to the information effect and kriging estimators. For a given level of drilling information, however, it...
Publication: CIM Bulletin
Auteur(s): Guocheng Pan
Mots clés: Geology, Ore reserve estimation, Smoothing effect, Conditional bias, Recoverable reserves, Gold deposits.
Numéro: 1019
Volume: 91
Année: 1998
Texte
Sommaire: Successful relationships between mining companies and local stakeholders are now an essential part of the social contract of Òdoing businessÓ (Prescott, 1995). The methodology presented in this paper is designed to assist mining companies in understanding and building relationships with diverse stakeholder groups. The methodology starts by recognizing that mining projects have a natural life cycle which can be used to identify when new external affairs strategies are required. In designing an...
Publication: CIM Bulletin
Auteur(s): K.L. Azinger
Mots clés: Stakeholder analysis, Public affairs, Relationship mapping, NWT Diamond Project.
Numéro: 1019
Volume: 91
Année: 1998
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