Šablon:Geološka vremenska skala/Siderijum-obeležja
Appearance
Oxygen Catastrophe: banded iron formations formed. Sleaford Orogeny on Australian Continent, Gawler Craton 2440-2420 MYA.
Oxygen Catastrophe: banded iron formations formed. Sleaford Orogeny on Australian Continent, Gawler Craton 2440-2420 MYA.