Middle Jurassic (174.1 +/-1.0 Ma)
Zurück zu Jurassic (201.4 +/-0.2 Ma)Darstellung und Status
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- Rang
- chronostratigraphische Epoche / geochronologische Serie
- Gebrauch
- Element ist in Gebrauch
- Status
- gültiger formeller Begriff
- Diskussion des Status
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- Middle Jurassic (174.1 +/-1.0 Ma)
- Historische Varianten
-
Mésojurassique (Lugeon 1910), Série médiojurassique (Revil), Dogger [sic]
Hierarchie und Abfolge
- Untergeordnete Einheiten
- Hangendes
Alter
- Alter Top
-
- Callovien
- Alter Basis
-
- Aalénien
-
Callovian (166.1 +/-1.2 Ma)
- Name Origin
-
Named derived from the old spelling of Kellaways Bridge (UK), Wiltshire, 2 miles NE Chippenham.
- Rang
- chronostratigraphische Stufe / geochronologisches Alter
- Status
- gültiger formeller Begriff
- Kurzbeschreibung
-
Last stage of the Middle Jurassic.
- Age
- Callovien
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Bathonian (168.3 +/-1.3 Ma)
- Name Origin
-
Named after the town of Bath (Somerset, UK), near Bristol. The city itself is largely built of Bath Stone, a bright white oolithic limestone that is quarried nearby.
- Rang
- chronostratigraphische Stufe / geochronologisches Alter
- Status
- gültiger formeller Begriff
- Kurzbeschreibung
-
Third stage of the Middle Jurassic.
- Age
- Bathonien
-
Bajocian (170.3 +/-1.4 Ma)
- Name Origin
-
Named after the town of Bayeux (Calvados, France) in Normandy.
- Rang
- chronostratigraphische Stufe / geochronologisches Alter
- Status
- gültiger formeller Begriff
- Nomenclatorial Remarks
- <p>Latin: Bajocium</p>
- Kurzbeschreibung
-
Second stage of the Middle Jurassic.
- Age
- Bajocien
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Gaetani Oceanic Anoxic Event
- Name Origin
-
Named in recognition of Maurizio Gaetani's work on Jurassic sedimentary successions of the Lombardy Basin.
- Rang
- OAE
- Status
- informeller Begriff
- Kurzbeschreibung
-
Black shale interval locally developped at the transition betwenn the Rosso Ammonitico Lombardo and the Radiolarite Group.
- Age
- frühes Bajocien
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Aalenian (174.1 +/-1.0 Ma)
- Name Origin
-
Named after the town of Aalen (Germany), Baden-Württemberg
- Rang
- chronostratigraphische Stufe / geochronologisches Alter
- Status
- gültiger formeller Begriff
- Kurzbeschreibung
-
First stage of the Middle Jurassic.
- Age
- Aalénien