The Great Oxygenation Event occurred ~2.4 Ga and forced large amounts of __________ to precipitate out of the ocean.
A)oxygenated halite
B)iron minerals
C)carbonate minerals
D)Ediacaran fauna

Question

Quizplus · Accepted Answer

The Great Oxygenation Event resulted in a significant increase in atmospheric oxygen levels, which reacted with dissolved iron in the oceans to form iron minerals that precipitated out and formed banded iron formations.

The Great Oxygenation Event Occurred ~2