Everything about The Neoarchean totally explained
The
Neoarchean (also spelled
Neoarchaean) is a
geologic era within the
Archaean. It spans the period of time 2800
Ma to 2500 Ma (million years ago)—the period being defined chronometrically and not referenced to a specific level in a rock section on
Earth. Oxygenic photosynthesis first evolved in this era and was accountable for the
oxygen catastrophe which was to happen later in the
paleoproterozoic from a poisonous buildup of oxygen in the atmosphere, produced by these oxygen producing photoautotrophs, which evolved earlier in the Neoarchean.
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