Pilot R&D on Refinery process for zinc-oxides.
Archives: Timeline Stories
Timeline Post Type Description
Lisheen mine: Feasibility study completed and development of mine [...]
Lisheen mine: Zinc and lead orebody discovered by Chevron [...]
Gold Fields of South Africa decides to sell its base metal [...]
Having decided to seek a partner for the venture, Phelps Dodge [...]
Zinc-oxide orebody discovered.
Phelps Dodge commissions a feasibility study for an underground mine.
An investigation is conducted to procure bulk samples for [...]
The Aggeneys Mountain (Big Syncline) orebody is intersected.
The most promising orebody at Noeniespoort se Kop (Broken Hill) [...]