Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Why don’t rocks burn? – Luke, age 4, New Market, ...

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 ...

Metamorphic rocks are also formed because of change in ... The limestone in the Marble Arch Caves formed around 330 million years ago You may know what a cave looks like, but can you define ...

The Marble Caves are natural rock formations with curved walls covered in swirling mineral patterns. They sit on the shores of General Carrera Lake, a glacial lake in southern Chile. The lake ...

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 ...