An indigenous community in Peru's Espinar province blocked a key mining road on Wednesday, in protest against the government and Glencore PLC's Antapaccay mine.
The most active rebar on the Shanghai Futures Exchange climbed 2.6 percent a tonne by the close, posting its biggest daily gain in more than two months.
With some vessels waiting to load coal and iron ore outside Australian ports for over a month, key charter rates jumped to highest in more than three years.
More than half the 2017 combined market cap gains for the world's largest listed miners accrued to just five firms as gold producers drop out of top 10.
While long-term diamond demand may be slowing, this year rough-diamond prices experienced positive turn-around and prices of polished diamonds stabilized.
Iron ore futures in China rose for a second session on Tuesday, supported by demand from steel producers for high-grade raw material to boost productivity.