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fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 14 hours ago

On trees...

mander.xyz

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On trees...

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fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 14 hours ago
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  • ColeSloth@discuss.tchncs.de
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    8 hours ago

    Also cool that for a period of like 60 million years, nothing decomposed dead trees. As they would die or fall over, they’d just stay there, piling up. This is where most oil came from. The massive amounts of trees stacking up before bacteria and fungus evolved to decomposed them. Imagine 60 million years worth of trees just lying around.

    • Dogyote@slrpnk.net
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      6 hours ago

      Didn’t those trees become coal, not oil?

      • DancingBear@midwest.social
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        6 hours ago

        I think near water they became oil and far from water they became coal

        • RunawayFixer@lemmy.world
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          5 hours ago

          No, most coal comes from plants in swamps, because the water helped preserve the organic matter.

          Plants in swamps die -> organic matter on the bottom of the swamp -> peat -> brown coal -> black coal.

          Oil apparently comes mostly from plankton.

          On the different origins: https://www.carboeurope.org/how-are-fossil-fuels-formed-the-science-behind-oil-coal-and-natural-gas/

        • InverseParallax@lemmy.world
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          5 hours ago

          Oil was effectively plankton and other sea stuff.

          Coal was forests.

    • ravenaspiring@sh.itjust.works
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      8 hours ago

      I love this fact, and am curious where you learned it?

      • ColeSloth@discuss.tchncs.de
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        7 hours ago

        I learned it nearly 30 years ago in school. I just did a search and found a link about it, though.

        Also, seems that either I remembered wrongly, or my teacher made a mistake, but it seems it was most of the worlds coal; not oil, that came from all the piles of trees from that period.

        https://www.thorogood.co.uk/treevolution-how-trees-came-first-and-rot-came-later-in-earths-deep-past/

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