Abstract

LOMBERG, K.G.. Density: Bulk in-situ or SG?. J. S. Afr. Inst. Min. Metall. [online]. 2021, vol.121, n.9, pp.469-474. ISSN 2411-9717.  http://dx.doi.org/10.17159/2411-9717/1423/2021.

The density used to covert volume to tons is critical in determining the real in-situ tonnage of Mineral Resources. However, the methods used to determine density and the use of different technical terms are seen to be inconsistent throughout the industry. Probably the best discussion addressing the determination of density was presented by Lipton (2001). This paper does not try to replicate this excellent work, but rather to review current industry practice and present a comparison of the approach to density in public reporting. Some of the technical terms used in reporting and the common methods applied are also discussed.

Keywords : resource estimation; reporting; density measurement.

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