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PROTEROZOIC EON (1 ene 1000000000 año aC – 30 dic 542000000 año aC)

Descripción:

GEOLOGICAL:
-First free oxygen is found in the oceans and atmosphere.
BIOLOGICAL:
-Organisms with mitochondria capable of aerobic respiration appear
GEORGIA:
-Oldest rocks in Georgia are found in Piedmont and Blue Ridge provinces.

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Bymaria
21 mar 2019
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148

fecha:

1 ene 1000000000 año aC
30 dic 542000000 año aC
~ 5883516 years
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