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 ...

Over time, the layers are compressed and glued together.Metamorphic rocks are formed ... by which the sediment is formed. For example, small pebbles of rock are rolled along a river-bed.

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 ...

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

"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 ...