Rio Tinto (NYSE:RIO) has plans in motion to install the world's largest underground automated mining system at its Argyle diamond mine in Western Australia.
Chile's deputy mining minister, Pablo Wagner, resigned a day after the government decided to revoke the lithium mining concession awarded to a local company last week, acknowledging problems with the tender process.
The government of British Columbia has rejected plans for a combined copper-gold mine in the province's north-west due to fears it could threaten salmon populations in the Skeena River.
Leading investors in Swiss commodities giant Xstrata (LSE:XSTA) have expressed their disappointment and frustration at the board's recommendation of a merger with Glencore (LSE:GLEN) for what they believe to be a takeover "on the cheap."
Australia's largest gold miner Newcrest will pour a total of $3.3 billion into its East Cadia copper-gold project, the subject of a lawsuit from a well-connected privately owned explorer.
Newcrest Mining (ASX:NCM) is accused of licensing breaches by a private exploration company seeking to scupper the gold mining giant's $2 billion Cadia East project.
