A Large-scale isotope anomaly in the Southern Hemisphere mantle. Stanley R. Hart. Figure 14-9. (Winter) From Hart (1984) Nature, 309, 753-756. Can Generate tholeiitic and alkaline basalts from a chemically uniform mantle. Variables Temperature Pressure.
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Stanley R. Hart
Figure 14-9. (Winter) From Hart (1984) mantleNature, 309, 753-756.
Figure 10-2 (Winter) Phase diagram of aluminous lherzolite with melting interval (gray), sub-solidus reactions, and geothermal gradient. After Wyllie, P. J. (1981). Geol. Rundsch. 70, 128-153.
Figure 14-2. (Winter) After Wilson (1989) Igneous Petrogenesis. Kluwer.
Pb produced by radioactive decay of U & Th
238U 234U 206Pb
Figure 14-8. mantleAfter Wilson (1989) Igneous Petrogenesis. Kluwer. Data from Hamelin and Allègre (1985), Hart (1984), Vidal et al. (1984).
Figure 14-9. From Hart (1984) Nature, 309, 753-756.
A Model for Oceanic Magmatism too enriched for any known mantle process, and they correspond to
EM and HIMU from crustal sources (subducted OC + CC seds)
Figure 14-10. Nomenclature from Zindler and Hart (1986). After Wilson (1989) and Rollinson (1993).