They find, at a depth of 660 km, an amount of water equivalent to six times that of all the oceans on Earth

Between 410 and 660 km below our feet, a geological ‘boundary’ called the ‘transition zone’ separates the lower mantle of the Earth from the upper mantle. At that enormous depth, the immense pressures (up to 23,000 bars) make the ore olivino

Article for subscribers only

unlimited access
to the best journalism of ABC

Three months for…
1

A month
without permanence







recommended option


6 months for…
20

Semiannual
Special discount


This feature is for subscribers only

subscribe

Facebook
Twitter
LinkedIn
Pinterest
Pocket
WhatsApp

Leave a Comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Recent News

Editor's Pick