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Articles on Igneous rocks

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The Paraná basin in Brazil provides evidence that one of the world’s largest super-eruptions did not cause a mass extinction. (Shutterstock)

Huge volcanic eruption didn’t cause climate change and mass extinction 140 million years ago

Huge volcanic eruptions were once believed to be the cause of mass extinctions on Earth. However, new research has found that super eruptions did not necessarily result in mass extinctions.
Weathering of rocks like these basalt formations in Idaho triggers chemical processes that remove carbon dioxide from the air. Matthew Dillon/Flickr

An effective climate change solution may lie in rocks beneath our feet

To avoid global warming on a catastrophic scale, nations need to reduce emissions and find ways to pull carbon from the air. One promising solution: spreading rock dust on farm fields.
Artist’s rendition of NASA’s 2020 Mars rover collecting rocks with its robotic arm. NASA

Meteorites from Mars contain clues about the red planet’s geology

Martian meteorites allow scientists here on Earth to decode that planet’s geology, more than a decade before the first missions are scheduled to bring rocks back home from Mars.

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