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News Release 10-202
New Evidence Supports Snowball Earth as Trigger for Early Animal Evolution
Spike in ancient marine phosphorus concentrations linked to emergence of complex life
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Geologist Noah Plavansky examines rocks deposited after a "Snowball Earth" glacial event.
Credit: Lyons Lab, UC-Riverside
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Drill core of sediments with iron formations used to track marine phosphorus concentrations.
Credit: Lyons Lab, UC-Riverside
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Close-up of a sample of 2.7 billion-year-old iron formation from Zimbabwe; red is hematite.
Credit: Lyons Lab, UC-Riverside
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Scientists Noah Plavansky and Tim Lyons discuss attributes of a banded iron formation sample.
Credit: Lyons Lab, UC-Riverside
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