Neoproterozoic (1000 Ma)
Back to Time ScaleRepresentation 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
- Subordinate units
- 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)