slushball earth

slushball earth:

see snowball earthsnowball earth,
hypothesized condition in which the earth was covered completely by ice during several periods in the Proterozoic. The hypothesis was originally developed to explain evidence of the contribution of glaciation to the formation of siltstone whose layered structure
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Some scientists have taken to referring to the snowball Earth hypothesis as the slushball Earth hypothesis.
One problem the Harvard team emphasizes as an argument against slushball Earth is that it would be difficult to concentrate iron in the oceans if the oceans were exposed to the atmosphere.