In Abhängigkeit vom Modell: Si: 0.3 – 1.7% O: 0.2 – 1% · Ricolleau et al. (2011): Oxygen and...

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Ricolleau et al. (2011): Oxygen and silicon contents of Earth‘s core from high pressure metal-silcate partitioning experiments In Abhängigkeit vom Modell: Si: 0.3 – 1.7% O: 0.2 – 1%

Transcript of In Abhängigkeit vom Modell: Si: 0.3 – 1.7% O: 0.2 – 1% · Ricolleau et al. (2011): Oxygen and...

Page 1: In Abhängigkeit vom Modell: Si: 0.3 – 1.7% O: 0.2 – 1% · Ricolleau et al. (2011): Oxygen and silicon contents of Earth‘s core from high pressure metal-silcate partitioning

Ricolleau et al. (2011): Oxygen and silicon contents of Earth‘s core from high pressure metal-silcate partitioning experiments

In Abhängigkeit vom Modell:Si: 0.3 – 1.7%O: 0.2 – 1%

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Drake & Righter (2002)

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White (1997)

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Allegre et al. (1995)

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Allegre et al. (1995)

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Allegre et al. (1995)

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Allegre et al. (1995)

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Allegre et al. (1995)

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McKenzie (1987)White (1997)

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Rollinson (1993)

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Petrochemische Klassifikation der Magmatite

Gesteinsgruppe SiO2 Subalkalische Gesteine Na2O + K2O[%] Al > Na + K [%]

Alkalische Gesteine Na2O + K2ONa + K > Al [%]

Ultrabasische Gesteine 30...44 Peridotit; Pikrit 0...2BasischeMagmatite 44...58 Gabbroid; Basaltoid 0...5IntermediäreMagmatite 53...64 Dioritoid; Andesitoid 3...8SaureMagmatite 64...77 Granitoid; Rhyolitoid 3...8

Foidolith; Melilitholith 2...20

Shonkinit; Tephrit 5...20Syenitoid; Phonolithoid 8...20

Alkaligranitoid; 8...14Alkalirhyolithoid

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Quellen:

Allegre C.J., Poirier J.-P., Humler E., Hofman A.W. (1995): The chemicalComposition of the Earth. EPSL 134, 515 – 526.

Drake M.J., Righter K. (2002): Determing the composition of the Earth. Nature 416, 39 – 44.

McKenzie D.P. (1987): Der Mantel. In: Siever R. & Kraatz R. (eds.) „Die Dynamik der Erde“, Spektrum der Wissenschaft: Verständliche Forschung, 56 – 69.

Ricolleau et al. (2011): Oxygen and silicon contents of Earth‘s core from high pressuremetal-silicate partitioning experiments. EPSL, 310, 409-421.

Rollinson H. (1993): Using geochemical data: evaluation, presentation, interpretation. Longman Scientific & Technical. 352pp.

White M. (1997): „Geochemistry“Geochemie-Manuskript/Lehrbuch von William White. 700 S.Internet-Adresse: http://www.geo.cornell.edu/geology/classes/geo455/Chapters.HTML