The Role of Slab Remnants in Modulating Free Subduction Dynamics: A 3‐D Spherical Numerical Study
Fangqin Chen,
D. Rhodri Davies,
Saskia Goes
et al.
Abstract:Seismic tomography of Earth's mantle images abundant slab remnants, often located in close proximity to active subduction systems. The impact of such remnants on the dynamics of subduction remains underexplored. Here, we use simulations of multi‐material free subduction in a 3‐D spherical shell geometry to examine the interaction between visco‐plastic slabs and remnants that are positioned above, within and below the mantle transition zone. Depending on their size, negatively buoyant remnants can set up mantle… Show more
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