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Young YOU: Rock formations

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The Wave in Arizona in the US is a sandstone formation that’s been carved out by water and wind since the Jurassic age.  (Photo: Getty Images/Gallo Images)
The Wave in Arizona in the US is a sandstone formation that’s been carved out by water and wind since the Jurassic age. (Photo: Getty Images/Gallo Images)

To geologists rocks are a treasure trove of information about the history of Earth 

Many of us think rocks are simply chunks of hard earth found everywhere on the planet. We might not even consider where they came from or what they’re made of. But geologists, the scientists who study Earth’s composition, make it their business to know how rocks differ from one another and where they fit into Earth’s long history. 

Let’s learn more about rock formations and then take a closer look at the Makhonjwa Mountains, a special area in the northeast of South Africa with an exceptional geological composition. 

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