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Brenainn Simpson, PhD Candidate, The University of Queensland

Where should we look for new metals that are critical for green energy technology? Volcanoes may point the way

Earth Australian Research Council Dubbo Sydney
Florian Nimsdorf / Shutterstock

About 400 kilometres northwest of Sydney, just south of Dubbo, lies a large and interesting body of rock formed around 215 million years ago by erupting volcanoes.

Known as the Toongi deposit, this site is rich in so-called rare earths: a collection of 16 metallic elements essential for modern technologies from electric cars to solar panels and mobile phones.

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