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Mini Research Project: Archean Eon
Deja Bass
Created on February 20, 2023
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Major Events during this eon
The ozone layerr began to formThe Great Oxidation Event Ocean and Contients also began to form due to the earth's cooling
Fun Facts about this eon
During the great oxidation event, all anaerobic organims went extinct.The earliest well preserved sedimentary and volcanic rocks are from the Archean Eon. Cyanobacteria produced 1% of the oxygen in the atmosphere through photosynthesis
What was the earth like during this eon?
There was no oxygen on earth but the climate was moderate. Single celled prokaryote organisms such as Cyanobacteria were anaerobic so this did not effect them. Meanwhile, Meteorite activity began to slow down as well.
The archean eon lasted roughly 4 billion to 2.5 billion years ago.
The Archean eon
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