Orosirian Period
From 2050 +/- 0 To 1800 +/- 0 Ma
Start Defined By: Fixed Date
End Defined By: Fixed Date
Start Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
End Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
-- A Substage of --
Time: Precambrian (4567.17 - 542)
Eon: Proterozoic (2500 - 542)
Era: Paleoproterozoic (2500 - 1600)
Australian Stage: Nullaginian (2500 - 1800)
Chinese Stage: Luliangian (2350 - 1750)
General Stage: Huronian (2500 - 1400)
General Stage: Animikean (2225 - 1400)
South African Stage: Mokolian (2050 - 900)
-- Preceeded By --
Period: Rhyacian (2300 - 2050)
South African Stage: Vaalian (2500 - 2050)
-- Followed By --
Period: Statherian (1800 - 1600)
Australian Stage: Carpentarian (1800 - 1300)
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