Julia Ribeiro
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Mantle processes

Investigating mantle flows at subduction zones and beyond
PictureInvestigating mantle outflows along a slab gap in the southern Marianas (Ribeiro et al., 2017, EPSL).
At subduction zones, the sinking of the downgoing lithosphere is thought to enable a return flow of asthenospheric mantle around the slab edges. However, asthenospheric flow may also accommodate volumetric variations of shrinking or growing oceanic plates. Here, we seek to understand whether regional plate kinematics or local slab-mantle interactions determine the mantle flow in or out through slab gaps by integrating geophysical and geochemical approaches.


Further readings

Ribeiro J.M., Stern R.J., Martinez F., Woodhead J., Chen M., Ohara Y. (2017) Asthenospheric outflow from the shrinking Philippine Sea Plate: Evidence from Hf-Nd isotopes of southern Mariana lavas, Earth and Planetary Science Letters.

Woodhead J., Stern R.J., Pearce J., Hergt J., Vervoort J. (2012) Hf-Nd isotope variation in Mariana Trough basalts: The importance of “ambient mantle” in the interpretation of subduction zone magmas, Geology, 40(6), 539-542, doi: 10.1130/G32963.1.

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  • Home
  • Research
    • Subduction zones >
      • Slab fluids
      • IBM 350
    • Deep volatile cycle
    • Magma petrogenesis >
      • Forearc basalts
      • Adakites
    • Mantle processes
  • People
  • Publications
    • Other publications
  • Communications
    • 2022
    • 2021
    • 2020
    • 2019
    • 2018
    • 2017
    • 2016
    • 2015
    • 2014
    • 2011 - 2013
    • 2008 - 2010
  • News
    • Invited talks
    • 2018
    • 2016
    • 2015
    • 2014
  • Teaching
  • Outreach
    • Education & Public outreach
    • Press releases
    • The fate of water
    • What are melt inclusions?
  • Photos