ScienceDaily: Climate helps drive the erosion process that exposes economically valuable copper deposits and shapes the pattern of their global distribution, according to a new study from researchers at the University of Idaho and the University of Michigan.
Nearly three-quarters of the world's copper production comes from large deposits that form about 2 kilometers (1.2 miles) beneath Earth's surface, known as porphyry copper deposits. Over the course of millions to tens of millions of years, they are exposed...