Proterozoic (2500 Ma)
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- R: 247 G: 53 B: 99
- Rang
- chronostratigraphischer Äon / geochronologisches Eonothem
- Gebrauch
- Element ist in Gebrauch
- Status
- gültiger formeller Begriff
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- Proterozoic (2500 Ma)
- Historische Varianten
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Azoïque, Erdurzeit, Proterozoic (Chamberlain & Salisbury 1906), Eozoikum = Frühzeit (Roesli 1948)
Hierarchie und Abfolge
- Untergeordnete Einheiten
- Hangendes
Alter
- Alter Top
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- Proterozoikum
- Alter Basis
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- Proterozoikum
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Neoproterozoic (1000 Ma)
- Rang
- Chronostratigraphie / Geochronologie
- Status
- gültig
- Kurzbeschreibung
- Last era of the Proterozoic.
- Age
- Proterozoikum
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Ediacaran (~ 635 Ma)
- Name Origin
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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)
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Cryogenian (~ 720 Ma)
- Name Origin
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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)
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Tonian (1000 Ma)
- Name Origin
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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)
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Mesoproterozoic (1600 Ma)
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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)
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Ectasian (1400 Ma)
- Name Origin
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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)
-
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)
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Paleoproterozoic (2500 Ma)
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Statherian (1800 Ma)
- Name Origin
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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)
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Orosirian (2050 Ma)
- Name Origin
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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)
-
Rhyacian (2300 Ma)
- Name Origin
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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)
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Siderian (2500 Ma)
- Name Origin
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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)
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