Ordovician VI ICS Stage
From 455.8 +/- 1.6 To 445.6 +/- 1.5 Ma
Start Defined By: Potentially near first appearance of the graptolite
Diplacanthograptus caudatus
End Defined By: Potentially at base of the Normalograptus extraordinarius-N.
ojsuensis graptolite biozone.
Start Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
End Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
Comment: Official ICS name not yet decided.
-- Overlaps With --
Australian Stage: Eastonian (456 - 450)
Australian Stage: Bolindian (450 - 443.7)
Chinese Stage: Baotan (460.9 - 454.5)
European Stage: Burrellian (457 - 455)
General Stage: Caradoc (460.9 - 449)
General Stage: Ashgill (449 - 443.7)
North American Stage: Mohawkian (462 - 451)
North American Stage: Cincinnatian (451 - 443.7)
Regional Stage: Shermanian (457 - 454)
Regional Stage: Longvillian (457 - 455)
-- A Substage of --
Eon: Phanerozoic (542 - -5.5012e-005)
Era: Paleozoic (542 - 251)
Period: Ordovician (488.3 - 443.7)
Epoch: Late Ordovician (460.9 - 443.7)
-- Preceeded By --
ICS Stage: Ordovician V (460.9 - 455.8)
-- Followed By --
ICS Stage: Hirnantian (445.6 - 443.7)
-- Contains the Following Stages --
Chinese Stage: Linxiangian (454.5 - 449)
European Stage: Cheneyan (455 - 452)
European Stage: Streffordian (452 - 449)
European Stage: Pusgillian (449 - 447.5)
European Stage: Cautleyan (447.5 - 446.5)
European Stage: Rawtheyan (446.5 - 445.6)
Regional Stage: Mayvillian (453 - 447.5)
Regional Stage: Onnian (453 - 449)
Regional Stage: Actonian (454 - 453)
Regional Stage: Edenian (454 - 449)
Regional Stage: Marshbrookian (455 - 454)
Regional Stage: Richmondian (449 - 445.6)
|
