US EditionHow Earth's Mantle Locked Away Vast Amounts of Water in Early Magma Ocean
Chinese researchers used high-temperature experiments to show bridgmanite in the early lower mantle could hold up to one ocean’s volume of water, reshaping Earth's water origin theories.
6 Articles
6 Articles
How Earth's mantle locked away vast amounts of water in early magma ocean
Some 4.6 billion years ago, Earth was nothing like the gentle blue planet we know today. Frequent and violent celestial impacts churned its surface and interior into a seething ocean of magma—an environment so extreme that liquid water could not exist, leaving the entire planet resembling an inferno.
The early Earth drew much of its water from the constant bombing of water-rich asteroids and icy comets. Today, scientists claim that the young planet had a way to retain much more water than we thought: rocks deep in the Earth's belly could have a [...]
The Earth would have hidden its largest ocean... under our feet. Experiments in extreme conditions suggest that the primitive mantle has enclosed much more colossal quantities of water than imagined, redrawing the history of our Planet.
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