The Rhyacium ( rhyax from Greek:, lava flow ') is a geological period within the Proterozoic eon ( Paleoproterozoic era ). Its beginning is set to about 2,300 million years ago, their end at about 2,050 million years ago. It follows the period of Sideriums and is detached from the Orosirium.


The name is Rhyacium = from gr Rhyax, lava flow derived '. He alludes to the penetration of layered intrusions such as the Bushveld Complex in South Africa.

Events during the Rhyacium

In Rhyacium ended the Huron ice age, which is scheduled 2400-2100 million years ago.