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Huronian

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Huronian

The Huronian glaciation (or Makganyene glaciation) extended from 2400 Mya to 2100 Mya, during the Siderian and Rhyacian periods of the Paleoproterozoic era, following the Great Oxygenation Event (GOE), which oxidised the atmospheric methane (a greenhouse gas).

Geological context

The Huronian sediment.

The Huronian glaciation may have been caused by the oxygen catastrophe, or by a 250 million year lull in volcanic activity which resulted in lower carbon dioxide levels and a reduced greenhouse effect, or by a combination of the two. There is little consensus on the exact cause of the event.

References

Proterozoic Eon
Paleoproterozoic Era Mesoproterozoic Era Neoproterozoic Era
Siderian Rhyacian Orosirian Statherian Calymmian Ectasian Stenian Tonian Cryogenian Ediacaran
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