Diversification of early life: Microfossils of the c. 2.45-2.21 Ga Turee Creek Group, Western Australia

Erica V Barlow
The Great Oxidation Event (GOE), ~2.45-2.3 Ga, witnessed a significant increase in atmospheric oxygen that irreversibly changed the Earth. However, the actual effect that this revolutionary change had on life is unknown, due to a lack of well-preserved fossiliferous rocks from this time. An ancient, shallow-water dolomite reef complex has recently been found within the c. 2.45-2.21 Ga Turee Creek Group (TCG) in Western Australia. This reef complex contains stromatolites (macroscopic fossils) that show an...
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