Articles on rocks

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A rockfall following the Christchurch earthquake in New Zealand in 2011. Reuters/Tim Wimborne

Humans can make rockfalls from earthquakes more dangerous

A new study of the 2011 Christchurch earthquake shows boulders from rockfalls fell much further than in earlier quakes that happened before humans arrived and changed the landscape.
Spectacular landscape of the Nuweveld escarpment showing exposures of the Beaufort Group. SUPPLIED

Why South Africa’s Karoo is a palaeontological wonderland

The Karoo provides not only a historical record of biological change over a period of Earth’s history but also a means to test theories of evolutionary processes over long periods of time.

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