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Tidsalder Archean

Tidsalder Archean

Owned by BL
Last updated: 16.Sept 2016

  • 4,000 to 2,500 million years ago
  • a geologic eon between Hadean and Proterozoic
  • lavt oksygen
  • Fotosyntesen kom
  • During the Archean, the Earth's crust had cooled enough to allow the formation of continents


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