Assmang and Hotazel Manganese Mines (HMM) embarked on a joint effort to refurbish and upgrade the capacity of the existing 10 ...

Black Rock manganese ore mine. JOHANNESBURG (miningweekly.com) – Mining company Assmang on Monday refuted allegations that it engages in the illegal mining of sugilite at the Black Rock mine in ...

About 600 workers will be without jobs by the end of May, unable to support themselves and their families, as the controversial Assmang Manganese Cato Ridge Ltd, a company linked to billionaire ...