There are three types of rock found on Earth. These are igneous, metamorphic and sedimentary. Each rock type is formed in a different way. For example, the rock malachite is mostly made of the ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Listen to presenter, Bernie Hobbs, explain the forces that transform sedimentary rocks to metamorphic ...

Serpentinite, a metamorphic rock of modest appearance, has not only been a material revered by ancient cultures, but modern science points to it as the possible setting for the planet’s first ...