2015
Manuscript entitled "Composition of the slab-derived fluids released beneath the Mariana forearc: evidence for shallow dehydration of the subducting plate” is now published with Earth and Planetary Science Letters.
In cold subduction systems, the downgoing plate is thought to mostly dehydrate (≥90% water) beneath the arc front. However, the composition of aqueous fluids released from the shallow subducting slab is poorly constrained because the occurrence of melt inclusions is rare in forearcs. More. |
Manuscript entitled "Are adakites slab melts or high-pressure fractionated melts?" is in press.
Adakites are unusual felsic rocks commonly associated with asthenospheric slab window opening or fast subduction of young (< 25 Ma) oceanic plate that enable slab melting at shallow depths. Yet, genesis of adakites has remained largely debated, as they are observed in other geodynamic settings where thermal models do not permit slab melting in the forearc region. Here, we present a new approach that provides new constraints on adakite petrogenesis in hot subduction zones (the Philippines) and above an asthenospheric window (Baja California, Mexico). |
AGU session : A Tangled Web? Generation and transport of fluids, volatiles and melts in subduction zones from source to surface. with J. Ribeiro (Rice Univ.), C. Till (ASU), H. Marschall (WHOI) and L. Karlstrom (Univ. of Oregon). AGU Falll meeting 2015.
Talk at AGU on Friday: "Can slabs melt beneath forearcs in hot subduction zones?" with R. Maury and M. Grégoire.
Talk at AGU on Friday: "Can slabs melt beneath forearcs in hot subduction zones?" with R. Maury and M. Grégoire.
Sept. 2015: Invited talk at Grenoble University/ISTERRE (France),
"The fate of water in subduction zones."
Aug. 2015: Visiting Cardiff University to work with Julian Pearce and Christopher MacLeod.
Invited talk: "The southernmost Mariana convergent margin: geodynamics, mantle processes and subduction fluxes."
Goldschmidt Conference: "Is Indian or Pacific mantle flows beneath the Southernmost Mariana intraoceanic arc?" with J. Woodhead (Melbourne Univ.), R.J. Stern (UTDallas) and K. Kelley (URI). Abstract. Talk on Tuesday 18th August from 16:30-16:45 in Session 21f.
DCO and CIDER summer workshops, talks about the deep water cycle beneath the Mariana forearc and the long-term evolution of the mantle flow beneath the southernmost Marianas.
"The fate of water in subduction zones."
Aug. 2015: Visiting Cardiff University to work with Julian Pearce and Christopher MacLeod.
Invited talk: "The southernmost Mariana convergent margin: geodynamics, mantle processes and subduction fluxes."
Goldschmidt Conference: "Is Indian or Pacific mantle flows beneath the Southernmost Mariana intraoceanic arc?" with J. Woodhead (Melbourne Univ.), R.J. Stern (UTDallas) and K. Kelley (URI). Abstract. Talk on Tuesday 18th August from 16:30-16:45 in Session 21f.
DCO and CIDER summer workshops, talks about the deep water cycle beneath the Mariana forearc and the long-term evolution of the mantle flow beneath the southernmost Marianas.
Invited speaker at Rice University, "Evidence for shallow dehydration of the subducting plate beneath the Mariana forearc: New insights into the water cycle at subduction zones."
IODP-USSSP post-expedition award ($15, 000 / with R. J. Stern).
Invited speaker at Laboratoire Magmas et Volcans, Clermont-Ferrand (France) "Evidence for shallow dehydration of the subducting plate beneath the Mariana forearc: New insights into the water cycle at subduction zones."
Invited speaker at Laboratoire Magmas et Volcans, Clermont-Ferrand (France) "Evidence for shallow dehydration of the subducting plate beneath the Mariana forearc: New insights into the water cycle at subduction zones."
Education outreach:
Geoscientist representative of 'Science: it's a girl thing!', ‘Question and Answer’ chat on Facebook for 1 hour in March 2015. 72 participants (http://science-girl-thing.eu/en/splash). Reunion Island volcano is erupting since April 2015 (see the video). |
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