Seismic tomography has revealed the presence of fast seismic velocity
anomalies, which are likely to be associated with the subducted oceanic
lithospheres, in and around the mantle transition zone of the current
and past subduction zones.
The 5-year Stagnant Slab Project (SSP) is funded to investigate their
cause, fate and impact on the tectonics, dynamics and evolution of the
earth system that are not well understood.
In this final symposium of SSP, key issues that will be discussed by
the Japanese scientists include:
(1) Transportation of water into the deep mantle and its role in slab-
related dynamics,
(2) Observational and experimental constraints on deep slab properties
and slab environment,
(3) Modeling of slab stagnation to constrain its mechanisms in
comparison with observational and experimental data
(4) Observational, experimental and modeling constraints on the fate of
the stagnant slab
(5) Eventual accumulation of stagnant slab on the CMB and its
geodynamic implications
We solicit contributions from a wide variety disciplines of earth science
to discuss these issues, as well as any topics related with "the Deep Slab
and Mantle Dynamics"