Copper mineralization occurs in many forms and in a variety of geological settings. As such, there are various factors to consider when determining the value of different types of copper deposits.

Chilean miners face the challenge of declining ore quality, which necessitates processing more rock to maintain metal ...

Resolution Copper wants to dig up a massive amount of copper ore beneath Oak Flat inside the Tonto National Forest. And by ...

copper and other metals are only a small fraction of the huge volumes of ore which have to be processed. Every year, the world produces about 13 billion tonnes of tailings—the ground-up rock ...

While they’re not mining yet, Resolution Copper is slowly digging its way toward the lucrative ore. In fact, the site is ...