Neoproterozoic (1000 Ma)

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Representation and status

Color CMYK
0/30/70/0
Color RGB
R: 254 G: 179 B: 66
Rank
chronostratigraphy
Validity
Unit is in Use
Status
valid

Nomenclature

Deutsch
Neoproterozoikum
Français
Néoprotérozoïque
Italiano
Neoproterozoico
English
Neoproterozoic (1000 Ma)

Hierarchy and sequence

Units at roof

Age

Age at top
  • Proterozoic
Age at base
  • Proterozoic
  • Ediacaran (~ 635 Ma)

    Name Origin

    Named after the Ediacara Hills (South Australia).

    Rank
    chronostratigraphic Period
    Status
    valid
    In short
    Last period of the Neoproterozoic (ca. 635-541 Ma), with a peculiar soft-bodied fauna.
    Age
    Neoproterozoic (= Late Proterozoic)
  • Cryogenian (~ 720 Ma)

    Name Origin

    From krýos and génesis (Greek), meaning "cold" resp. "birth".

    Rank
    chronostratigraphy
    Status
    valid
    In short
    Middle period of the Neoproterozoic, characterised by cold climatic conditions («Snowball Earth» ; Sturtian and Marinoan glaciations). Its base has been defined chronometrically.
    Age
    Neoproterozoic (= Late Proterozoic)
  • Tonian (1000 Ma)

    Name Origin

    From tóno (Greek), meaning "stretch".

    Rank
    chronostratigraphy
    Status
    valid
    In short
    First period of the Neoproterozoic. Its base has been defined chronometrically.
    Age
    Neoproterozoic (= Late Proterozoic)
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