The union that led 2014's bitter five-month strike in South Africa's platinum belt has brought the same demands – doubling of wages – to the gold sector.
The recurring phenomenon — a warming of the Pacific Ocean as part of a complex cycle linking atmosphere and ocean — has in the past affected mine output, triggering price spikes.
CEO Andrew Mackenzie announced the firm would cut capital and exploration expenditure to $9 billion in the 2016 financial year from $12.6 billion in 2015.