Adelaidean Australian Stage
From 1300 To 542 +/- 0.3 Ma
End Defined By: Trace fossil, lowest occurrence of Treptichnus (Phycodes)
pedum. Near base of negative carbon-isotope excursion.
End Based On: Amthor et. al., "Extinction of Cloudinia and Namacalathus at
the Precambrian-Cambrian boundary in Oman", _Geology_, v. 31, p. 431-434,
2003.
-- Overlaps With --
Era: Mesoproterozoic (1600 - 1000)
Period: Ectasian (1400 - 1200)
Chinese Stage: Jinningian (1750 - 800)
General Stage: Riphean (1400 - 800)
General Substage: Yurmatian (1375 - 1100)
North American Stage: Helikian (1600 - 850)
South African Stage: Mokolian (2050 - 900)
-- A Substage of --
Time: Precambrian (4567.17 - 542)
Eon: Proterozoic (2500 - 542)
-- Preceeded By --
Australian Stage: Carpentarian (1800 - 1300)
-- Followed By --
Eon: Phanerozoic (542 - -5.5012e-005)
Era: Paleozoic (542 - 251)
Period: Cambrian (542 - 488.3)
Epoch: Early Cambrian (542 - 513)
Chinese Stage: Meishuchuan (542 - 532)
Russian-Kazakhian Stage: Nemakit-Daldynian (542 - 534)
-- Contains the Following Eras --
Era: Neoproterozoic (1000 - 542)
|
