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Case Study. Tailings Risk Management (Africa) The site comprises of an opencast mine that exploits gold bearing arsenopyrites. The tailings storage facility (TSF) includes a valley dam across the Twangiza river, which has a final wall height of 170m making it one of the highest earth dams in the world.
Merriespruit tailings dam disaster - Wikipedia, the free , As is typical with gold tailings in South Africa, the Merriespruit tailing dam was constructed using the "upstream , The dam was designed in the early seventies by the mine's metallurgical manager and a representative from the tailings dam.