Study Shows Fresh Water Reached Earth from Space Four Billion Years Ago
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<p paraeid="{45e027b1-4990-4677-8b02-a637d0eaa80e}{79}" paraid="1621048587"><span data-contrast="auto" xml:lang="EN-US">A chemical analysis of rare and ancient </span>zircon crystals <span data-contrast="auto" xml:lang="EN-US">taken from the remote and foreboding Jack Hills of Western Australia is causing scientists to reevaluate their assumptions about when the first fresh water reached the surface of the </span>Earth. This new study, which has just been published in <a href="
https://www.nature.com/articles/s41561-024-01450-0" rel="noreferrer noopener nofollow" target="_blank"><span data-contrast="none" xml:lang="EN-US"><span data-ccp-charstyle="Hyperlink">Nature Geoscience</span></span>[/url]<span data-contrast="auto" xml:lang="EN-US">, </span><span data-contrast="auto" xml:lang="EN-US">showed that these primordial rocks had absorbed fresh water delivered to the </span>Earth by meteors or other heavenly bodies approximately four billion years ago, or 500 million years earlier than previous estimates. This is just a few hundred million years after the Earth first coalesced into a solid mass.? </p>
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