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Earth's origins (4,560-635 million years ago)
Earth's origins (4,560-635 million years ago)
This web page contains the topics that will not be covered in the paleobotany short course due to time constraints. Much of the information about the early Earth is relevant and useful. You may want to take some time to review, as the early events set the stage for land plant evolution.
Earth's Narrative
Earth's Narrative
Early Earth (4,560 - 2,500 mya)
Oxygen Changes the World (2,500 - 635 mya)
Geologic Periods
Geologic Periods
Proterozoic Eon (2.5-0.54 bya)
Paleoproterozoic Era (2.5-1.6 bya)
Mesoproterozoic Era (1.6-1.0 bya)
Archean Eon (4.0-2.5 bya)
Hadean Eon (4.5-4.0 bya)
Events of Note
Events of Note
Origin of life
Photosynthesis
The Great Oxygenic Crisis
Origin of the nucleus, sex, & eukaryotes
Diversification of acritarchs & early algae
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