Type
Period
Age range
2500–2300 Ma
Proterozoic
Paleoproterozoic
Rhyacian
Siderian
Archean
Neoarchean
2,5002,4902,4802,4702,4602,4502,4402,4302,4202,4102,4002,3902,3802,3702,3602,3502,3402,3302,3202,3102,300