Abstract

COLE, M.J.; MUDAU, S.  and  MOHASOA, P.. A sustainable approach to derelict and ownerless mines in South Africa. J. S. Afr. Inst. Min. Metall. [online]. 2025, vol.125, n.4, pp.193-208. ISSN 2411-9717.  https://doi.org/10.17159/2411-9717/796/2025.

Derelict and ownerless (D) mines in South Africa have been an ongoing concern for over a decade. While some progress has been made to rehabilitate D asbestos sites, significant work remains, exacerbated by the growth in illegal mining. There are concerns regarding the accuracy and transparency of the D database, lack of oversight, and constrained funding, and the government is increasingly looking to the private sector to fund rehabilitation. Given these challenges, a new, sustainable approach to D sites in South Africa is needed to bring clarity and transparency to the process, recognise responsibilities and promote partnerships, and explore economic opportunities at D sites to reduce the financial liability and respond to the growing demand for critical minerals. This article has three components: i) reviews of international D good practices; ii) it analyses South Africa's current approach and the D sites; and iii) proposes a D framework that addresses data, risk ratings, responsibilities and rehabilitation, economic opportunities, and stakeholder engagement. The study finds that the majority of the 6,100 so-called abandoned D mines are quarries and mine site features, 16% are operational, at least 11% have owners, and only 752 (12%) require rehabilitation. The framework aims to bring clarity and fairness to decision-making and to assign risk and responsibility for rehabilitation and seeks to incorporate economic opportunities to reduce the financial burden of rehabilitation, create jobs for local communities, and respond to the growing demand for critical minerals for the clean energy transition.

Keywords : mining; mine closure; abandoned mines; risk; economic opportunity.

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