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Van Keken, 2003

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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Van Keken, 2003

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  1. Mantle wedge processes Limits of SZ ‘cold nose’ Van Keken, 2003

  2. Basaltic crust 7 km Harzburgitic mantle 45 km Peridotitic mantle Compositional stratification Van Keken, EPSL, 2003

  3. Tpot=200-250 K higher Abbott et al., JGR, 1994

  4. Compositional stabilization of oceanic lithosphere Vlaar et al., EPSL, 1994

  5. Pre-plate tectonic cooling mechanism (?) Sufficient to cool to near-present day Tpot within 1 Byr Vlaar et al., EPSL, 1994

  6. Courtesy of R. Blewett

  7. Zegers and Van Keken, Geology, 2001

  8. Zegers and Van Keken, Geology, 2001

  9. Zegers and Van Keken, Geology, 2001

  10. Zegers and Van Keken, Geology, 2001

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