Geochemists measure new composition of Earth's mantle

What is the chemical composition of the Earth's interior? Because it is impossible to drill more than about ten kilometres deep into the Earth, volcanic rocks formed by melting Earth's deep interior often provide such information. ...

Image: Raft of rubble

Captured by the Copernicus Sentinel-2 mission on 21 August 2019, this image features a huge raft of pumice rock drifting in the Pacific Ocean. The pumice is believed to have come from an underwater volcano near Tonga, which ...

Earth's core has been leaking for billions of years

Earth's magnetic field protects and makes our planet habitable by stopping harmful high-energy particles from space, including from the Sun. The source of this magnetic field is the core at the centre of our planet.

Volcanic eruption witnessed by prehistoric humans

A volcanic eruption believed to be eye-witnessed by humans in prehistoric times happened 245,000 years later than originally expected, according to new research involving Curtin University researchers.

New research supports volcanic origin of Kiruna-type iron ores

The origin of so-called Kiruna-type apatite-iron oxide ores has been the topic of a longstanding debate for over 100 years. In a new article published in Nature Communications, a team of scientists presents new and unambiguous ...

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