Environmental upheavals of the Ediacaran period and the Cambrian “explosion” of animal life
The second half of the Ediacaran period began with a large impact – the Acraman impact in South Australia, which was accompanied by a negative δ13Ccarb anomaly and an extinction-radiation event involving acritarchs. A few million years later (∼570 Ma?) there was a second, deeper and longer-lived wor...
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Format: | Article |
Language: | English |
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Elsevier
2015-07-01
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Series: | Geoscience Frontiers |
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Online Access: | http://www.sciencedirect.com/science/article/pii/S1674987114001145 |