
Limpopo Province, South Africa Project Scope By 2021, the diamond-bearing ore at the current Venetia Mine Open Pit Operations is expected to be depleted. The Venetia Underground Project will convert the Venetia open pit mine in South Africa into an underground operation, thus extending production to The Grasvally Chromium Mine is in Limpopo, South Africa. The site was first discovered in 1960. The Grasvally Chromium Mine is a underground mining operation. Initial production took place in 1962. Mine operations consist of underground workings. Underground features include 5 shafts and 3 inclines. Subsurface depth reaches a maximum of 448 ...