Indonesia tin miner Timah says meets rules, good practices
Tin deposits in the mining hub of Bangka-Belitung have been heavily exploited on land, leaving parts of the islands off the southeast coast of Sumatra island resembling a lunar landscape.
A Mongolian former finance minister, Bayartsogt Sangajav, has been arrested as part of an investigation into suspected abuse of power during investment talks for the giant Oyu Tolgoi copper mine in 2009.
The proposal, signed by companies responsible for 85% of the DRC's copper, cobalt and gold output, suggest that sliding royalties will give the government a higher share of revenues.