238U-230Th radioactive disequilibrium in the northern Izu arc: (230Th/232Th) in the sub-arc mantle

Major and trace element abundances, Sr and Nd isotopic ratios, and 238U-230Th radioactive disequilibria have been analyzed for samples from five volcanoes, Oshima, Miyakejima, Niijima, Teishi Knoll and Fuji, located in the northern Izu arc to investigate across-arc and regional variations of chemica...

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Veröffentlicht in:	GEOCHEMICAL JOURNAL 2008/12/20, Vol.42(6), pp.461-479
Hauptverfasser:	FUKUDA, SATORU, NAKAI, SHUN'ICHI, NIIHORI, KENJI, TSUKUI, MASASHI, NAKADA, SETSUYA, FUJII, TOSHITSUGU, TANI, KENICHIRO
Format:	Artikel
Sprache:	eng
Schlagworte:	isotope geochemistry Izu arc sediment subduction trace element geochemistry U-series disequilibria
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