Mutualism, commensalism or parasitism? Perspectives on tailings trade between large-scale and artisanal and small-scale gold mining in Ghana

K.J. Bansah, N.K. Dumakor-Dupey, E. Stemn and G. Galecki

Resources Policy, 2018, vol. 57, issue C, 246-254

Abstract: Due to poor technology and lack of proper skills in mineral processing techniques, a greater percentage (about 70%) of gold is lost to the tailings stream in artisanal and small-scale gold mining (ASGM). These tailings, in the last decade, have become a major source of revenue for some large-scale mining (LSM) companies in Ghana because they have advanced technologies to optimize recovery. This paper examines the tailings trade between ASGM and LSM companies in Ghana and determines their associated relationships. It also informs policy decisions regarding gold mining in Ghana. Field visits were made to licensed ASGM sites in the Tarkwa Mining District where the trade is mostly practiced to obtain first-hand information and conduct interviews with diggers. Results indicate that both ASGM operators and LSM companies derive revenue from the tailings trade, exhibiting a relationship that could be described as mutualistic. Based on the tailings price determination, the symbiotic relationship is described as parasitic because the tailings pricing process is largely controlled by the LSM companies to the detriment of the ASGM operators. As a result of the environmental dangers posed by the tailings trade, the interdependency could equally be described as parasitic since both the ASGM operators and the LSM companies benefit to the detriment of the natural ecosystem. It was also observed that while some stakeholders attempt to criminalize the tailings trade, there is presently no law or regulation that prohibits such trade in the Ghanaian mining industry.

Keywords: Artisanal and small-scale mining; Safety; Environment; Cyanide; Mercury; Tailings trade (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jrpoli:v:57:y:2018:i:c:p:246-254

DOI: 10.1016/j.resourpol.2018.03.010

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