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    Home » Ocean of magma formed early in Earth’s history, study finds
    Science

    Ocean of magma formed early in Earth’s history, study finds

    LuckyBy LuckyApril 16, 2025No Comments4 Mins Read
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    Ocean of magma formed early in Earth’s history, study finds
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    Earth in its early history placed a dark ocean of magma under its surface, finds new research, potentially explains the strange discrepancies seen in today.

    This Basal Magma Ocean has been hot debate for years. Some geo -racicic evidences indicate that in the first few hundred million years of the planet’s existence, a frequent sea of ​​melt formed on the border between the Earth’s core and its middle layer, the mantle. But the model of the formation of the planet suggested that when the Earth was new and melted, it froze from the bottom to top, making it difficult to understand how a deep magma ocean could be present.

    New study, published in the journal on 26 March NatureIt was found that not only a magma ocean may exist, but its presence was unavoidable. No matter that the exact location where the melted newborn planets began to crystallizing into a solid, a basal ocean is still formed, the study has been revealed.

    The remains of this hidden Magma Sea can still be present as large low-varton velocity provinces (LLVPs) or mental “drops”, which are huge areas of deep mental, where earthquake waves travel more slowly, which they do through the rest of the rest.

    Scientists have argued if they are LLVPs Sea crust residue That is deeply pushed into the mantle, which means they are a few hundred million years behind, or are they Earth’s basal magma survived from the oceanMaking them 4.4 billion years old.

    The new study argues for the latter and may be the major implications of conclusions how researchers understand the history of the Earth, the lead author of the study said Charles-Edoured BukerA planetary physicist at the University of York in Toronto.

    “This will affect thermal communication between the core and mantle,” Baukar explained Live Science. “It can affect the location of tectonic plates.”

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    Earth’s early days

    Researchers created a new model of the formation of the Earth, considering both geophysical data and seismic data – two main methods of peering in the deep history of the Earth. In particular, there are important trace elements that prefer to live chemically in magma while other minerals are crystallized in the rock. The quantity of these trace elements in the rock can show when and in which sequence mental rocks are frozen.

    Most of the studies of this era of the formation of the Earth focus on the initial freezing of mental and dynamics when mental was still mostly liquid.

    Baukar and his team focused after a while, looking at the point on which the mental would have been adequately crystallized that it was behaving as a solid instead of a liquid. They found that even though the first solidarity began – in the middle of the mental, or on the border with the core – the formation of a basal magma ocean.

    The remains of the Magma Ocean still exist as LLVP, or the Earth’s mental “drops”. (Image Credit by: By Sanne.cottaar – Your work, CC by-SA 4.0, Add,

    Formation phase

    The process would have begun with a thin crust of solids formed on the surface of the new Earth, but the solids were cold and low bouncing compared to mental, so they drowned and away.

    However, as the mental continued to cool, the solids formed in the upper mental began to drown and accumulate in the lower mental. These solid iron were rich in oxide, which is dense and has a low melting point, so these solids are deep and often removed. Due to dense iron oxide, even in its liquid form, it did not melt back, as fluids usually rise above solids. Instead, it remained in deep mental, where heat from the core melted it. It formed the Basel Magma Ocean.

    Researchers separated the conditions in their models to change the depth of solid formation, but those parameters did not change anything. Even in the least favorable conditions for a deep magma ocean, one is still formed.

    Conclusions suggest that the main structure of the planet was formed in its history long ago, Buker said. “This is another way to say that there is a memory,” he said. The seeds of the dynamics of the planet would have been planted long ago, with these ancient structures, it was continued to affect how the planet turned forward.

    “We can say that if we have some early positions of the planet and we can model the very early stages of planetary development, we can predict most of its behavior.”

    He planned to improve modeling by incorporating more trace elements next time. Bauker said that it would be interesting to apply models to other planets like Mars whether other rocky planets go through similar infections.

    “Maybe this basal ocean thing is not something that is unique to the Earth,” he said.

    early Earths finds formed history Magma Ocean study
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