Andean-Saharan glaciation
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The Andean-Saharan glaciation was from 460 mya to 430 mya, during the late Ordovician and the Silurian period.
| Paleozoic era | |||||
|---|---|---|---|---|---|
| Cambrian | Ordovician | Silurian | Devonian | Carboniferous | Permian |
A discussion of the several known ice ages is presented at [1]

