causing them to change into another type of rock. They are usually resistant to weathering and erosion and are therefore very hard-wearing. Examples of metamorphic rocks include marble ...

It features scenes of farmers tilling soil, majestic mountain roads, sedimentary rock formations, and granite and marble quarries. The film also highlights natural phenomena such as volcanic ...

This is a beginner's guide to identifying UK rock types. The guide has two main sections ... detailing igneous, sedimentary and metamorphic rocks This is followed by a glossary of geological terms ...