Maury et al. (2009) present new and detailed field observations and petrologic analyses to argue that the “new model” that I propose as an alternative explanation for postsubduction magmatism in Baja California, Mexico (Castillo, 2008), is incorrect. Specifically, they claim that their new data invalidate two aspects of the model: (1) late Miocene Nb-enriched basalts of Santa Clara volcanic field (Vizcaíno) are genetically unrelated to Santa Clara high-silica adakites, and (2) Santa Clara adakites represent partial melts from the base of the Baja California continental crust rather than slab-derived melts. Maury et al. further claim that the new...

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