• Neodymium-142 (142Nd) is one of seven isotopes found in the chemical element neodymium which may explain the origin of Earth and Solar system
• In 2005, the small variation in 142Nd was detected between chondrites, which are stony Meteorite
• These results were widely interpreted as an early differentiation of the interior of the Earth and these chondrites within the first 30 million years of its history

Ontario, September 15, 2016: Neodymium-142 (142Nd) is one of seven isotopes found in the chemical element neodymium which is widely distributed in the Earth's crust and most commonly used for magnets in commercial products like microphones and in-ear headphones.

These results were widely interpreted as an early differentiation of the interior of the Earth (including the crust and mantle) and these chondrites within the first 30 million years of its history.

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The new results published in the journal Nature from Bouvier and Boyet showed that these differences in 142Nd were in fact already present during the growth of Earth and not introduced later, as was previously believed.

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In 2005, a small variation in 142Nd was detected between chondrites, which are stony meteorites, considered essential building blocks of the Earth and terrestrial rocks.

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"How the Earth was formed and what type of planetary materials were part of that formation are issues that have puzzled generations of scientists. And these new isotopic measurements of meteorites provide exciting answers to these questions about our origins and what made the Earth so special," said Audrey Bouvier, Cosmochemist at the Western University. (IANS)