[4] Each company continues to market products separately and retains ownership and profits from the underlying mines, as well as strategic development of their own mineral resources.

[5] Each company continues to market products separately and retains ownership and profits from the underlying mines, as well as strategic development of their own mineral resources.

[12] February 1964: a proposal is announced for Hamersley Iron to export 65 million tons over 15 years starting in 1967 to the Japanese steel industry.

Mount Goldsworthy Mining Associated, a joint venture of Cyprus Mines Corporation of Los Angeles, Utah Construction Company of San Francisco, Consolidated Gold Fields of London, signed a $164 million contract for 16.5 million tons of Western Australia ore with Japanese buyers.

[16] In June 1979, Kaiser Steel sold its 28% shareholding in Hamersley Holdings to Conzinc Riotinto for $207.5 million, bringing the Rio Tinto share of the company to 82%.