@fossilesque@mander.xyz to Space & Astronomy@mander.xyzEnglish • 5 months agoThe Silurian hypothesis: would it be possible to detect an industrial civilization in the geological record? | International Journal of Astrobiology | Cambridge Corewww.cambridge.orgmessage-square2fedilinkarrow-up117arrow-down10cross-posted to: hackernews@derp.foo
arrow-up117arrow-down1external-linkThe Silurian hypothesis: would it be possible to detect an industrial civilization in the geological record? | International Journal of Astrobiology | Cambridge Corewww.cambridge.org@fossilesque@mander.xyz to Space & Astronomy@mander.xyzEnglish • 5 months agomessage-square2fedilinkcross-posted to: hackernews@derp.foo
minus-squareteftlink2•5 months agoMy guess without tech is meteor bombardment. High metal content meteors vaporizing on impact could alter the metal concentrations.
My guess without tech is meteor bombardment. High metal content meteors vaporizing on impact could alter the metal concentrations.