Subduction zones are the most important sites of material exchange between the crust and mantle on Earth. They are also the locations where the largest deposits of strategic metals, such as ...

Then they were fed into water cannons trained on the gold-bearing hillside ... tens of thousands of men found work. By 1875, North Bloomfield had become a thriving settlement, complete with ...

N ew Zealand’s South Island is home to many treasures. Some vast, like Milford Sound, some small, like the blue mushroom to be found there, and some treasures that are literal gold, albeit very, very ...

Gold was traditionally found by panning in riverbeds, where miners swirled sediment in water to separate the heavy gold ...