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Mantle wedge processes. Limits of SZ. ‘cold nose’. Van Keken, 2003. Basaltic crust. 7 km. Harzburgitic mantle. 45 km. Peridotitic mantle. Compositional stratification. Van Keken, EPSL, 2003. Tpot=200-250 K higher. Abbott et al., JGR, 1994.
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Mantle wedge processes Limits of SZ ‘cold nose’ Van Keken, 2003
Basaltic crust 7 km Harzburgitic mantle 45 km Peridotitic mantle Compositional stratification Van Keken, EPSL, 2003
Tpot=200-250 K higher Abbott et al., JGR, 1994
Compositional stabilization of oceanic lithosphere Vlaar et al., EPSL, 1994
Pre-plate tectonic cooling mechanism (?) Sufficient to cool to near-present day Tpot within 1 Byr Vlaar et al., EPSL, 1994