Gold's push above US$1,300/oz sparked speculation of further rises among technical analysts, with prices also supported by global political and economic jitters, according to CPM Group's Jeffrey Christian.
Brazil's Ceará state Pecém port expansion was reportedly halted on Monday due to lack of government funding.
A boost in the average copper price offset a decline in production due to lower ore grades.
The latest news from junior mining companies operating in Chile, Mexico and Peru.
A mine, a port and a railway are included in the iron ore project in northeastern Bahia state.
The permitting of the US$2.5bn iron ore-copper project continues to bring headaches to government officials.
Precious metals hit new multi-month highs as a nuclear bomb test by North Korea sparks renewed market jitters.