Researchers have discovered microdiamonds in the Nishisonogi metamorphic rock formation in Nagasaki Prefecture, Japan. Microdiamonds in metamorphic rocks are important minerals because they form in ...

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 ...

Metamorphic rocks are more than just beautiful formations — they’re time capsules that capture the heat, pressure, and chemical changes deep within Earth. From recording ancient tectonic collisions to ...

National Geographic's Wonder Lessons will teach you how to navigate the stars, spot cloud types, recognize common trees, and ...

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 ...

From the lab bench to the field, learning to identify rocks is about more than memorizing names—it’s about reading the story each stone tells. By observing texture, composition, and formation clues, ...