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#1
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12-16-2016, 09:05 PM
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Two Billion Year Old Water Found in Canadian Mine
Canadian Geoscientists have uncovered water that dates back a whopping two billion years. It’s the oldest water ever discovered on Earth, and it could broaden our understanding of how life emerged on our planet—and possibly elsewhere. http://www.sciencealert.com/the-worl...an-we-realised [CBC, BBC, National Post] |
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#5
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12-17-2016, 04:53 PM
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Re: Two Billion Year Old Water Found in Canadian Mine
You're referring to water that's been recycled through a process called hydrological cycle. Water evaporates then it comes down again when it rains (or snows), the rivers return the water to the ocean. The longest timescale of water anywhere in the cycle is in the deep ocean (it stays there for several thousand years) and in deep ground water (perhaps 10,000 years). Eventually everything gets recycled. The water that was found in the Ontario mine has been in its same state (h2o) for over 2.5 billion years. Geologists can date the water due to traces of helium, argon, neon, krypton, and xenon. These gases accumulate in the water over time, allowing the researchers to calculate its age. I'm not a geologist or a hydrologist or any kind of ologist, so anyone who studied the solid and liquid matter that constitutes the Earth can feel free to correct me if i'm wrong. |
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#7
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12-17-2016, 05:12 PM
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Re: Two Billion Year Old Water Found in Canadian Mine
There's is quite the controversy about how and when earths water appeared . Some believe it was here from the beginning 4.6 billion years ago and others believe it was brought by comets. I personally believe it was both |