grade 5 gold mining in south africa

Mentioned that the average grade of South African gold mines has declined from approximately 12 gt in the 1970s to approximately 5 gt currently Figure 4 shows the average recovered gold grade for South African mines from 2004 to 2013 The steady decline in gold grades is evident in Figure 4 The graph shows a decrease from 5 15 gt in 2005.

Latest News

news