<p>The team explains that the transition zone’s high-water content has far-reaching consequences for the dynamic situation inside the Earth and if it is to be breached, it could lead to a mass movement in the crust.</p>

closer to "Jules Verne’s idea of an ocean inside The Earth

<ol><li>Olivine constitutes around 70 percent of the Earth’s upper mantle </li><li>is also called peridot. </li><li> at a depth of about 410 kilometers, it is converted into denser wadsleyite; </li><li>at 520 kilometers it then metamorphoses into even denser ringwoodite.</li><li>“These mineral transformations greatly hinder the movements of rock in the mantle. </li><li> there is a whole graveyard of such plates in this zone underneath Europe,” </li></ol>

Olivine Peridot: Mantle Mineral

<ol><li> the Atlantic,</li><li> Pacific,</li><li> Indian, </li><li>Arctic, </li><li> Southern Ocean. </li></ol>

5 Known

<ol><li>Diamond from Botswana that formed at 660 kilometers below the surface of the planet at the interface between the transition zone and the lower mantle.</li><li>Analysis of the diamond using Raman spectroscopy and FTIR spectrometry </li><li> ringwoodite inclusions which exhibit a high water content.</li><li>transition zone is not a dry sponge, but holds considerable quantities of water </li></ol>

Research Method

<ol><li>evidence of considerable quantities of water between the Earth’s upper and lower mantle.</li><li> analysis of a rare diamond that formed 660 kilometers below the Earth’s surface </li><li>Prof. Frank Brenker </li><li>Institute for Geosciences at Goethe University</li></ol>

New Ocean Found : Geo Study

<p>There is a subterranean ocean that scientists are finding in the transition zone between mantles </p>

6th Ocean Of Jules Verne 

<ol><li>660km boundary between the mantle transition zone and the lower mantle.</li><li> transition zone (TZ), the boundary layer that separates the Earth’s upper mantle and the lower mantle. </li><li> located at a depth of 410 to 660 kilometers, </li><li> immense pressure of up to 23,000 bar </li><li> olive-green mineral olivine to alter its crystalline structure.</li></ol>

Transition Zone (TZ),

Scientists have found the sixth ocean on Earth, but it's not on the surface of the planet.