Dual slab stagnation depths controlled by grain-size-induced sporadic low-viscosity zones at around 1000 km depth

Dual slab stagnation depths controlled by grain-size-induced sporadic low-viscosity zones at around 1000 km depth

Numerical models with evolving grain size suggest a laterally inhomogeneous viscosity layer below 660 km depth, with sporadic low viscosity zones induced by fossil slabs, explaining slab stagnation at around 1000 km depth.

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  • Fukao, Y., Obayashi, M. & Nakakuki, T. the Deep Slab Project Gr… [+15928 chars]

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