Sedimentary rocks are made up of pieces of older rocks (igneous, metamorphic, and sedimentary) and organic remains (shells, bone, etc.). When rocks break apart from erosion they are transported by ...

As a youngster growing up in New York, Graham Baird always was interested in science and the natural world, and in college he was fascinated with how igneous and metamorphic rocks formed. As an ...

The discovery of tiny diamonds embedded in rock samples from northeastern Australia indicates that the geological past Australia’s eastern coast is more complex than previously thought. Metamorphic ...

A new study of rocks that formed billions of years ago lends fresh insight into how Earth's plate tectonics—the movement of large pieces of Earth's outer shell—evolved over the planet's ...

While many rocks don’t burn, some of them do. It depends on what the rocks are made of – and that’s related to how they were formed. Rocks that burn when they get heated up are combusting. This means ...

Cratons (from the Greek “power” or “might”) are the areas of the oldest continental crust on Earth that are preserved only in several places on our planet. According to scientists, the Kaapvaal Craton ...

Researchers have produced a new estimate for the origin of Earth's plate tectonics—the movement of large chunks of the planet's outer layer, or crust. Although there is broad consensus that plate ...