Gauges of stocks, bonds and currencies in developing economies all rose in the five days through Friday as raw-material prices had their best week this year.
At least five municipalities have passed motions against exploration and grassroots groups have signed a national manifesto opposing the government's mining strategy.
Last updated in 2003, the fresh set of principles respond to increased pressure for miners to carry out socially-responsible investments and operations.
The fertilizer company evaluated over the past week a plan to raise $680 million put forward by a consortium of financial investors, but talks didn’t go anywhere.
The deep coal mining industry has been run down, and this has coincided with increased urbanisation and regeneration of land in areas of former mine workings.