The Rock Cycle is Earth's great recycling process where igneous, metamorphic, and sedimentary rocks can all be derived from and form one another. Analogous to recycling a Coke can, where an old can ...

Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface, followed by cementation. Sedimentation is the collective name ...

Yoshitsugu Kobayashi (far left), Gilbert Huntington (second left), Tony Fiorillo (center) and Paul McCarthy (seated) look over a geologic map of Alaska to figure out where the best opportunity to find ...

Scientists studying microbial communities and the growth of sedimentary rock at Mammoth Hot Springs in Yellowstone National Park have made a surprising discovery about the geological record of life ...

Collectors of all ages have always been interested in rocks and the minerals that make them up. They come in countless shapes, sizes and colors. There are three main types of rocks: sedimentary, ...

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 ...

Rocks store information from long ago. For instance, their composition can reveal the environmental conditions during their formation. This makes them extremely important in climate research. This led ...

One team of scientists thinks ancient rocks discovered in northern Canada give us a window onto the planet's infancy and the birth of life itself. Another team thinks they're not that special The ...