Induan ICS Stage
(Feixianguanian)
From 251 +/- 0.4 To 249.7 +/- 0.7 Ma
Start Defined By: Conodont, lowest occurrence of Hindeodus parvus;
termination of major negative carbon-isotope excursion. About 1 myr after
peak of Late Permian extinctions.
End Defined By: Near lowest occurrence of Hedenstroemia or Meekoceras
gracilitatis ammonites, and of the conodont Neospathodus waageni.
Start Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
End Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
Global Stratotype Section and Point: Meishan, Zhejiang, China
-- A Substage of --
Eon: Phanerozoic (542 - -5.5012e-005)
Era: Mesozoic (251 - 65.5)
Period: Triassic (251 - 199.6)
Epoch: Early Triassic (251 - 245)
-- Preceeded By --
Era: Paleozoic (542 - 251)
Period: Permian (299 - 251)
Epoch: Late Permian (260.4 - 251)
ICS Stage: Changhsingian (253.8 - 251)
New Zealand Stage: Makabewan (253.8 - 251)
North American Stage: Ochoan (260.4 - 251)
Regional Stage: Thuringian (270.6 - 251)
-- Followed By --
ICS Stage: Olenekian (249.7 - 245)
Regional Stage: Smithian (249.7 - 247.4)
-- Contains the Following Stages --
Regional Stage: Griesbachian (251 - 250.4)
Regional Stage: Dienerian (250.4 - 249.7)
|
