Linked Data Service of GSJ
Geological age
[ Precambrian ] Upper level
Precambrian
Proterozoic
Neoproterozoic
Ediacaran
~ 635
Cryogenian
~ 720
Tonian
1000
Mesoproterozoic
Stenian
1200
Ectasian
1400
Calymmian
1600
Paleoproterozoic
Statherian
1800
Orosirian
2050
Rhyacian
2300
Siderian
2500
Archean
Neoarchean
2800
Mesoarchean
3200
Paleoarchean
3600
Eoarchean
4031 ±3
Hadean
4567