Type
Era
Age range
2100–1650 Ma
Paleoproterozoic
Statherian
Orosirian
Rhyacian
Early Riphean
Late Karelian
Early Karelian
2,1202,1002,0802,0602,0402,0202,0001,9801,9601,9401,9201,9001,8801,8601,8401,8201,8001,7801,7601,7401,7201,7001,6801,6601,640