Type
Era
Age range
2500–2100 Ma
Paleoproterozoic
Rhyacian
Siderian
Neoarchean
Late Karelian
Early Karelian
Late Lopian
2,5002,4802,4602,4402,4202,4002,3802,3602,3402,3202,3002,2802,2602,2402,2202,2002,1802,1602,1402,1202,100