Brazil's government will revise a decree that opened up a vast mineral reserve in the Amazon rainforest to mining responding to overwhelming criticism.
In an effort to receive more financial benefits from mining operations, the government's proposal will also require investors in the sector to get legislative approval before operating.
OZ would begin construction of its Carrapateena copper mine in Australia, the country's largest undeveloped copper project, which it estimated would cost A$916 million ($724 million).