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2-bn-year-old rock harbors living microbes, rewrites life's history
(interestingengineering.com)
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this post was submitted on 08 Oct 2024
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Thermodynamically, how could these two cycles sustain metabolism? Were there other processes/species in the mix to introduce chemical compounds that had more energy contained within?
I don't recall as it was mentioned by someone in passing (and stuck with me) but I can tell you that the rocks they were in are exceptionally iron rich, which is why the mine was there.