PROTEROZOIC EON (jan 1, 1000000000 BC – dec 30, 542000000 BC)
Description:
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.
Added to timeline:
Date:
jan 1, 1000000000 BC
dec 30, 542000000 BC
~ 5883516 years