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Journal of the Southern African Institute of Mining and Metallurgy

On-line version ISSN 2411-9717
Print version ISSN 2225-6253


RUPPRECHT, S.M.. Consideration for declaring a Mineral Reserve for TSF mining projects. J. S. Afr. Inst. Min. Metall. [online]. 2020, vol.120, n.9, pp.515-520. ISSN 2411-9717.

The mining of old tailings storage facilities (TSFs) or dams/dumps has become a common operation in South Africa. This practice has several interesting aspects that are different to normal surface mining operations. When considering the estimation of Mineral Reserves, the Competent Person must take into account the conditions of mining historical TSFs that are often situated in close proximity to communities. This paper discusses the Modifying Factors required to convert a Mineral Resource to a Mineral Reserve, such as mining sequence, dilution, mining losses, and environmental, social/community, and government factors. The paper also investigates the role that Inferred Mineral Resources may play in the life-of-mine plans for tailings dam projects.

Keywords : TSF; tailings; hydraulic mining; Mineral Reserve estimation.

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