The study found Canada's oil sands had a substantial impact on Quebec's economy in terms of employment, gross domestic product (GDP) and tax revenue, in a 12-month period between 2014 and 2015.
South Africa's Chamber of Mines has applied to a high court for an interdict to prevent the implementation of a new charter that increases the minimum threshold for black ownership of mining companies
Oil prices have cratered in recent weeks, dipping to their lowest levels in more than seven months and any sense of optimism has almost entirely disappeared.
Fresh bid is far better than the $2.55bn it offered earlier this month and considerably more than the $2.45bn offered by Yancoal, the Chinese-backed miner that is Rio’s preferred buyer.