Proterozoic (2500 Ma)

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Darstellung und Status

Farbe CMYK
0/80/35/0 (Commission for the Geological Map of the World)
Farbe RGB
R: 247 G: 53 B: 99
Rang
chronostratigraphischer Äon / geochronologisches Eonothem
Gebrauch
Element ist in Gebrauch
Status
gültiger formeller Begriff

Nomenklatur

Deutsch
Proterozoikum
Français
Protérozoïque
Italiano
Proterozoico
English
Proterozoic (2500 Ma)
Historische Varianten
Azoïque, Erdurzeit, Proterozoic (Chamberlain & Salisbury 1906), Eozoikum = Frühzeit (Roesli 1948)

Hierarchie und Abfolge

Untergeordnete Einheiten
Hangendes

Alter

Alter Top
  • Proterozoikum
Alter Basis
  • Proterozoikum

  • Neoproterozoic (1000 Ma)

    Rang
    Chronostratigraphie / Geochronologie
    Status
    gültig
    Kurzbeschreibung
    Last era of the Proterozoic.
    Age
    Proterozoikum
    Details anzeigen

    • Ediacaran (~ 635 Ma)

      Name Origin

      Named after the Ediacara Hills (South Australia).

      Rang
      chronostratigraphische Periode / geochronologisches System
      Status
      gültig
      Kurzbeschreibung
      Last period of the Neoproterozoic (ca. 635-541 Ma), with a peculiar soft-bodied fauna.
      Age
      Neoproterozoic (= Late Proterozoic)
      Details anzeigen

    • Cryogenian (~ 720 Ma)

      Name Origin

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

      Rang
      Chronostratigraphie / Geochronologie
      Status
      gültig
      Kurzbeschreibung
      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)
      Details anzeigen

    • Tonian (1000 Ma)

      Name Origin

      From tóno (Greek), meaning "stretch".

      Rang
      Chronostratigraphie / Geochronologie
      Status
      gültig
      Kurzbeschreibung
      First period of the Neoproterozoic. Its base has been defined chronometrically.
      Age
      Neoproterozoic (= Late Proterozoic)
      Details anzeigen

  • Mesoproterozoic (1600 Ma)

    Rang
    Chronostratigraphie / Geochronologie
    Status
    gültig
    Age
    Proterozoikum
    Details anzeigen

    • Stenian (1200 Ma)

      Name Origin

      From stenós (Greek), meaning "narrow".

      Rang
      Chronostratigraphie / Geochronologie
      Status
      gültig
      Kurzbeschreibung
      Last period of the Mesoproterozoic, during which the supercontinent Rodinia assembled. Its base has been defined chronometrically.
      Age
      Mesoproterozoic (= Middle Proterozoic)
      Details anzeigen

    • Ectasian (1400 Ma)

      Name Origin

      From éktasis (Greek), meaning "extension".

      Rang
      Chronostratigraphie / Geochronologie
      Status
      gültig
      Kurzbeschreibung
      Second period of the Mesoproterozoic. Its base has been defined chronometrically.
      Age
      Mesoproterozoic (= Middle Proterozoic)
      Details anzeigen

    • Calymmian (1600 Ma)

      Name Origin

      From kálymma (Greek), meaning "cover".

      Rang
      Chronostratigraphie / Geochronologie
      Status
      gültig
      Kurzbeschreibung

      First period of the Mesoproterozoic. Its base has been defined chronometrically.

      Age
      Mesoproterozoic (= Middle Proterozoic)
      Details anzeigen

  • Paleoproterozoic (2500 Ma)

    Rang
    Chronostratigraphie / Geochronologie
    Status
    gültig
    Age
    Proterozoikum
    Details anzeigen

    • Statherian (1800 Ma)

      Name Origin

      From statherós (Greek), meaning "stable, firm".

      Rang
      Chronostratigraphie / Geochronologie
      Status
      gültig
      Kurzbeschreibung
      Last period of the Paleoproterozoic. Its base has been defined chronometrically.
      Age
      Paleoproterozoic (= Early Proterozoic)
      Details anzeigen

    • Orosirian (2050 Ma)

      Name Origin

      From oroseirá (Greek), meaning "mountain range".

      Rang
      Chronostratigraphie / Geochronologie
      Status
      gültig
      Kurzbeschreibung

      Third period of the Paleoproterozoic. Its base has been defined chronometrically.

      Age
      Paleoproterozoic (= Early Proterozoic)
      Details anzeigen

    • Rhyacian (2300 Ma)

      Name Origin

      From rhýax (Greek), meaning "stream of lava".

      Rang
      Chronostratigraphie / Geochronologie
      Status
      gültig
      Kurzbeschreibung
      Second period of the Paleoproterozoic : Bushveld Igneous Complex, Huronian (Makganyene) global glaciation. Its base has been defined chronometrically.
      Age
      Paleoproterozoic (= Early Proterozoic)
      Details anzeigen

    • Siderian (2500 Ma)

      Name Origin

      From sídēros (Greek), meaning "iron".

      Rang
      Chronostratigraphie / Geochronologie
      Status
      gültig
      Kurzbeschreibung
      First period of the Paleoproterozoic, characterised by a peak in the deposition of banded iron formations (BIFs). Its base has been defined chronometrically.
      Age
      Paleoproterozoic (= Early Proterozoic)
      Details anzeigen
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