Siderian Period

The Great Oxidation Event

The Siderian is the first period of the Paleoproterozoic Era, occurring after the Neoarchean, and before the Rhyacian. "Siderian" refers to iron, which was prominent in banded iron-formations of this time

Geologic Age

What happened during this time?



Above: Banded iron ore

Above: Banded iron ore

Additional Resources