Metamorphic rock is formed when existing rock is transformed under high heat and pressure, which generally destroys any fossils that were in the rock before it was metamorphosed. For example, marble ...

Examples of metamorphic rocks include marble, which originates from limestone and slate, which originates from clay. Slate is dark grey/green in colour and can be split into thin layers for use as ...

For example, marble that you might see in kitchen counters or statues came from limestone that was transformed under intense ...

This is a beginner's guide to identifying UK rock types. The guide has two main sections: background information on the structure and forces affecting the Earth in relation to rock formation a more ...

Once their mineral composition changes, the rocks are considered metamorphic, with examples including phyllite, schist, quartzite and marble. Igneous and metamorphic rocks on Earth's surface ...

"There are now some other examples out there of naturally occurring metamorphic proteins that do this, but this was the first example of a designed protein that switches reversibly using only ...