The meteorite is the oldest known volcanic rock. (Meteorite Encyclopedia)
Falling meteorite In the desert last year, it could be a rock from a “protoplanet” in the early days of our solar system.
Researchers believe the rock may have been part of the crust of a primitive planet that either continued to form one of the larger planets or shattered into dust.
Meteorite – Erg Chech 002 – on reverse Any other known meteor, Experts said.
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It was once thawed and solidified about 4.6 billion years ago – making it the oldest volcanic rock on Earth (it beats its closest competitor by a million years).
Jean-Alex Barratt from the University of Western Brittany, France He told New Scientist “I have been working on meteorites for over 20 years, and this is probably the most amazing new meteorite I have ever seen.”
Read more: The mysterious “rogue planet” is perhaps stranger than we thought
Barratt and his colleagues believe the rock may have been part of the crust of an ancient protoplanet since the dawn of the solar system – which could have formed larger planets.
“As you get closer to the start of the solar system, getting samples is more complicated,” Barratt said.
“We may not find another sample older than this.”
Read more: Huge meteor exploding in the sky over Derby
The research was published in Proceedings of the National Academy of Sciences (PNAS).
The researchers wrote: “This meteorite is the oldest volcanic rock that has been analyzed so far and highlights the formation of primitive crusts that covered the oldest protoplanets.”
Read more: Astronomers find closest black hole to Earth
The discovery may help researchers understand how planets – including our Earth – formed.
The rock, which contains distinctive large green crystals, was discovered in May near Bir Ben Tagoul in southern Algeria in the sand sea of Arak Shish. According to the Meteoritical Society.
Researchers say such things are incredibly rare.
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The story continues
“The scales of the oldest protoplanets are virtually unknown due to the scarcity of specimens,” they wrote.
“Although the earliest planetary crusts were not often basaltic, their remains were not discovered in the asteroid belt because their parent bodies served as building blocks for larger rock bodies or were almost completely destroyed. destroyed. ”
Watch: British scientists recover piece of rare meteorite
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