File:Geologic time scale Erdzeitalter.png

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English: Geologic time scale including all four eons of the geological record from the beginning of the Hadaen eon ("Hadaikum") with the date of the impact of Theia. Lettering in German.

Deutsch: Eine Übersicht zu den vier Äonen der Erdgeschichte.

Zur Darstellung des Hadaikums:
Das Hadaikum begann mit der Akkretion der protoplanetaren Scheibe. Aggregierte Körper wuchsen durch Kollision untereinander beständig zu größeren Planetesimalen. Planetesimale kollidierten weiterhin untereinander und wuchsen zu Proto-Planeten. Die Proto-Erde wurde schließlich wahrscheinlich von einem Himmelskörper namens Theia getroffen. Aus der Kollision gingen Erde und Mond hervor. Der wahrscheinliche Zeitpunkt des Theia-Impakts ist gekennzeichnet als gestrichelte Linie.
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Own work based on the following sources - Eigene Arbeit auf der Grundlage folgender Quellen:

Altersangaben nach:
Walker JD, Geissman JW: Geologic Time Scale. Geological Society of America (2009), doi: 10.1130/2009.CTS004R2C

Farbgebung angelehnt an:
Walker JD, Geissman JW: Geologic Time Scale. Geological Society of America (2009)

Ausweisung des Quartär als eigenständige Periode nach:
Mascarelli AL: Quaternary geologists win timescale vote. In: Nature 459 (2009): 624

Stratigraphische Einordnung der Dyas nach:
Deutsche Stratigraphische Kommission (Hrsg.): Stratigraphische Tabelle von Deutschland 2002.

Zeitpunkt des Theia-Impakts nach:
Touboul M, Kleine T, Bourdon B, Palme H, Wieler R: Late formation and prolonged differentiation of the Moon inferred from W isotopes in lunar metals. In: Nature 450 (2007): 1206-1209

Beginn des Hadaikums nach:

Amelin Y, Krot A: Pb isotopic age of the Allende chondrules. In: Meteoritics & Planetary Science 42 (2007): 1321-1336
Author Dreisam

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Date/TimeThumbnailDimensionsUserComment
current18:52, 25 August 2009Thumbnail for version as of 18:52, 25 August 2009468 × 1,899 (22 KB)Dreisam (talk | contribs)Neue Farbe für das Hadaikum.
14:32, 25 August 2009Thumbnail for version as of 14:32, 25 August 2009468 × 1,899 (22 KB)Dreisam (talk | contribs){{Information |Description={{en|1=Geologic time scale including all four eons of the geological record from the beginning of the Hadaen eon ("Hadaikum") with the date of the impact of Theia. Lettering in German.}} {{de|1=Eine Übersicht zu den vier Äonen

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