magma
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Greenland’s Rocks Contain Hints of a Magma Ocean on Baby Earth
Billions of years ago, parts of Greenland were a molten sea, a sharp contrast to the pale-blue ice seen there today. Researchers have now found isotope signatures of that burbling, primordial Earth in basalt rocks near Nuuk.
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‘Dormant’ California Supervolcano Packed With 1000 Cubic Kilometres Of Magma
It’s been around 100,000 years since California’s Long Valley supervolcano experienced a major eruption, but this supposedly dormant caldera has been acting a bit strangely over the past four decades. New research suggests 1000km3 of magma still exists within this supervolcano, but thankfully, a major eruption remains unlikely.
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Apocalyptic Yellowstone Supervolcano Now 5.5 Times Larger
You know about the potentially world-ending supervolcano hiding under Yellowstone, right? Well, scientists just discovered a second magma chamber containing an additional 46,000 cubic kilometres of molten rock. Did we mention it’s “overdue” for eruption?
