Tag: earth

Study suggests Earth’s tectonic activity peaked 1.1 billion years ago

EARTH
A pair of Australian researchers studying rock samples has found evidence to suggest that the Earth’s tectonic plate activity peaked approximately 1.1 billion years...

A billion-year history of Earth’s interior shows it’s more mobile than we thought

EARTH
Deep in the Earth beneath us lie two blobs the size of continents. One is under Africa, the other under the Pacific Ocean. The blobs...

How carbonates behave in the Earth’s interior

EARTH
Carbonates are the most important carbon reservoirs on the planet. But what role do they play in the Earth’s interior? How do they react...

Traces of life in the Earth’s deep mantle

EARTH
The rapid development of fauna 540 million years ago has permanently changed the Earth — deep into its lower mantle. A team led by...

Where does all Earth’s gold come from?

MINERALS
Ultra high precision analyses of some of the oldest rock samples on Earth by researchers at the University of Bristol provides clear evidence that...

Ancient helium leaking from core offers clues of Earth’s formation

EARTH
Helium-3, a rare isotope of helium gas, is leaking out of Earth's core, a new study reports. Because almost all helium-3 is from the...
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