3 ms·

What mineral can only be formed by life?

• neuroticnews25 3mo ago
  You know what they say, sufficiently advanced geological process is indistinguishable from life.
• ceejayoz 3mo ago
  Plutonium?
  • mrkstu 3mo ago
    Oklo natural uranium reactor already producted plutonium naturally.
    • ceejayoz 3mo ago
      Americium, then.
• skirmish 3mo ago
  Coprolites.