Mining all of the reef, all of the time Mining Review Africa
Jan 21, 2020· South Africa''s reef deposits, especially gold and platinumbearing ore bodies, are narrow and tabular. While legislation dictates a minimum operation height of 800 mm in areas where people work, some of the country''s narrow reef mines have ore bodies with thicknesses of less than 500 mm, which results in ore dilution, as waste ore with zero ...