Rockin' those layers

Do you think rocks are just … well, rocks? These natural mineral combinations have done more than just sit around—they've built the Earth's crust and helped humans shape history. From Stone Age tools to the minerals powering modern civilisation, rocks have been essential throughout our journey. International Rock Day celebrates this enduring impact, inviting us to explore the science of rocks, admire their natural beauty and recognise the rich variety they add to our world.
© Arterra Picture Library/Alamy