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Forearc Mantle and Boninites: main results of ODP Leg 125 in the Mariana and the Izu-Bonin Forearc regions.

Fryer, P., Pearce, Julian A., Lagabrielle, Y. and Stokking, L. 1990. Forearc Mantle and Boninites: main results of ODP Leg 125 in the Mariana and the Izu-Bonin Forearc regions. Comptes Rendus de l'Académie des Sciences: Série IIA t.310 , pp. 1247-1254.

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Abstract

ODP Leg 125 drilled nine sites in the Mariana and lzu-Bonin forearcs. Six sites were located on or adjacent to serpentinite seamounts between the outer-arc high and the trench, four (sites778-78 1) on the Conical Seamount in the Mariana forearc and two (sites 783-784) on the Torishima Seamount in the lzu-Bonin forearc. The remaining sites (782, 785 and 786) were located along the eastern edge of the lzu-Bonin forearc basin. At site 786, 650 m of boninites and andesite-dacite volcanics belonging to the Eocene basement of the outer arc high have been drilled. Results of Leg ODP 125 will permit a better understanding of the forearc evolution with references to the underlying mantle, the volcanic basement history, the sedimentary infill, the fluid fluxes and the thermal regimes.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Earth and Ocean Sciences
Subjects: Q Science > QE Geology
Publisher: l'Académie des Sciences, Paris
Last Modified: 04 Jun 2017 02:05
URI: http://orca-mwe.cf.ac.uk/id/eprint/8605

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