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 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 ...

Marble is best known for what it can be made into — incredible artworks or tacky ashtrays. But before it was that prized white-grey rock, marble was something a lot more pedestrian — limestone. For ...

Introduction -- Physical properties of magma -- Intrusion of magma -- Forms of igneous bodies -- Cooling of igneous bodies and other diffusion processes -- Classification of igneous rocks -- ...

Metamorphic rock is the result of the transformation of a pre-existing rock type, the protolith, in a process called metamorphism, which means "change in form". The protolith is subjected to heat and ...

Geologists recently dated the age of Watersmeet gneiss, a type of rock in the Upper Peninsula, as the oldest in the U.S. Here's what to know.

Natalie Bursztyn does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

The film explores the origins of various rocks found in the Grand Canyon, revealing that many rocks are formed from ancient sand dunes that hardened over time. It discusses how to interpret clues in ...

The trick to a successful search for fossils is finding the proper place. After all, paleontologists rarely select their sites at random. Instead, they consider an assortment of areas — comparing the ...