Metamorphic Rocks: Born from transformation under pressure and heat, these rocks are the shape-shifters of the geological world. Marble and slate are metamorphic rocks that started as something ...

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 ...

Basalt rock comprises most of County Antrim’s geological map, while sandstone and slate comprise most of ... pushed together to form a new material. Metamorphic rocks are also formed because ...