Siderian Period
From 2500 +/- 0 To 2300 +/- 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_
-- Overlaps With --
Chinese Stage: Wutaian (2600 - 2350)
Chinese Stage: Luliangian (2350 - 1750)
-- A Substage of --
Time: Precambrian (4567.17 - 542)
Eon: Proterozoic (2500 - 542)
Era: Paleoproterozoic (2500 - 1600)
Australian Stage: Nullaginian (2500 - 1800)
General Stage: Huronian (2500 - 1400)
South African Stage: Vaalian (2500 - 2050)
-- Preceeded By --
Eon: Archean (3800 - 2500)
Era: Neoarchean (2800 - 2500)
South African Stage: Randian (3000 - 2500)
-- Followed By --
Period: Rhyacian (2300 - 2050)
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