This is 'the first time that lower mantle minerals have ever been observed in nature.'
Researchers claim they have discovered a rare mineral that comes directly from Earth's lower mantle- the region between the planet's core and crust - in a newThe finding is a surprise because no one has or expects to retrieve such a high-pressure mineral on the Earth's surface after decades of searching.
The discovery is a step forward in scientists' quest to model the evolution of the Earth's mantle in greater detail.Davemaoite makes up mostly 5-7 percent of the material in Earth's lower mantle and is one of three significant minerals there. It is mostly composed of calcium silicate perovskite - arguably the most important phase of Earth's lower mantle.isotopes of uranium, thorium, and potassium.
These isotopes generate a lot of heat in the lower portion of Earth's mantle, making davemaoite an essential player in managing how heat moves through the deep Earth. In turn, this aids in controlling how heat is transferred from the mantle to the crust to power processes like plate tectonics.perovskite been observed in nature since it usually disintegrates when removed from its high-pressure surroundings.
Oliver Tschauner in a press release from the University of Nevada, Las Vegas, and co-leader of the study.
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