Copper above $3.00 after former workers torch dozens of buildings, vehicles at Freeport's Indonesia operations blocking access to world number two mine.
The new exploration rights form a continuous block on the southwest border of Ivanhoe's existing Platreef mining rights at Turfspruit and Macalacaskop.
European business groups representing consumers oppose any restrictions against Russian aluminum, saying they could put thousands of companies out of business.
A model developed by Brazilian researchers shows that opening up protected areas in the Amazon to mining projects would lead to massive losses of forest coverage.