Archives: Timeline Stories

Timeline Post Type Description

April 17, 2021

1998 – 2000

Pilot R&D on Refinery process for zinc-oxides.

April 17, 2021

1997

Lisheen mine: Feasibility study completed and development of mine [...]

April 17, 2021

1990

Lisheen mine: Zinc and lead orebody discovered by Chevron [...]

April 17, 2021

Late 1990s

Gold Fields of South Africa decides to sell its base metal [...]

April 17, 2021

October 1977

Having decided to seek a partner for the venture, Phelps Dodge [...]

April 17, 2021

1977

Zinc-oxide orebody discovered.

April 17, 2021

1976

Phelps Dodge commissions a feasibility study for an underground mine.

April 17, 2021

1974

An investigation is conducted to procure bulk samples for [...]

April 17, 2021

1973

The Aggeneys Mountain (Big Syncline) orebody is intersected.

April 17, 2021

1972

The most promising orebody at Noeniespoort se Kop (Broken Hill) [...]