Mortesnes General Stage
From 640 To 630 +5/-30 Ma
End Defined By: Termination of Varanger (or Marinoan) glaciation, and
distinctive C-13 change.
End Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
-- A Substage of --
Time: Precambrian (4567.17 - 542)
Eon: Proterozoic (2500 - 542)
Era: Neoproterozoic (1000 - 542)
Period: Cryogenian (850 - 630)
Australian Stage: Adelaidean (1300 - 542)
Chinese Stage: Sinian (800 - 542)
General Stage: Vendian (650 - 542)
General Stage: Varangian (650 - 630)
North American Stage: Hadrynian (850 - 542)
South African Stage: Namibian (900 - 542)
-- Preceeded By --
General Stage: Smalfjord (650 - 640)
-- Followed By --
Period: Ediacaran (630 - 542)
General Stage: Wonokan (630 - 570)
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