The origin of water on our planet has largely remained a mystery, but new research suggests it has been present on our planet since the very beginning.
A team of researchers used advanced ion-microprobe instrumentation to look at rocks from Baffin Island in Canada. They compared the ratio of hydrogen to deuterium in the water within the ancient rocks to what is seen in other planetary bodies in our solar system, the University of Hawaii at Manoa reported.
"The Baffin Island rocks were collected back in 1985, and scientists have had a lot of time to analyze them in the intervening years. As a result of their efforts, we know that they contain a component from Earth's deep mantle," said cosmochemist Lydia Hallis.
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