Kgalema Motlanthe may continue his role as arbiter in the mining sector after he retires from government in May.
Steve Lennon and Erica Johnson, top executives at Eskom, are to leave the company owing to "personal" reasons.
The ramp up of production at DiamondCorp's Lace mine has begun with full production of 30,000 tonnes per month expected from July.
Lonmin and the Associated Mineworkers & Construction Union put a settlement on a recognition agreement to an independent arbitrator after negotiations failed.
The National Union of Mineworkers, which represents about 67% of the gold industry workers, decried a 4% wage offer as "an insult".
Joseph Mathunjwa, president of the Association of Mineworkers & Construction Union said the 19-week strike in the platinum sector "couldn't go on forever".
X2 Resources said it had raised $5.6bn in private capital and added that it was assessing a number of opportunities, but was under no pressure to deal as yet.
Ernst Venter, an executive at Exxaro Resources, had served the company "with distinction" and there was no link between his resignation and an internal review.
Production at three sites owned by Glencore Xstrata's chrome division has been disrupted by wildcat strike activity that started on May 28, the company said.
BRIAN Molefe, the returning CEO of Eskom and the power utility's chairman, Ben Ngubane, allegedly pressed former mines minister, Ngoako Ramatlhodi, into blackmailing Glencore,...