Phanerozoic Eon Begins
The Phanerozoic Eon begins with rising ocean levels and the breakup of the supercontinent Rodinia. A northern landmass called Laurentia forms near the equator. Plate tectonics continues to increase the volume and area of the forming continents. The Phanerozoic Eon began about 570 million years ago and continues to the present.
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