Type
Period
Age range
1800–1600 Ma
Proterozoic
Mesoproterozoic
Calymmian
Paleoproterozoic
Statherian
Orosirian
1,8001,7901,7801,7701,7601,7501,7401,7301,7201,7101,7001,6901,6801,6701,6601,6501,6401,6301,6201,6101,600