One comment on “Valles Caldera – Jemez Mountains

  1. Nice article, Granyia. The Anasazi predated the Navajo and were active in the Four-corners area NW of Valles. They weren’t around to see the eruption, but got to use the PF remains to start building homes out of. Some believe they date back to the YD event and were wiped out by it.

    A couple papers out modeling a transition point in the mantle some 1000 km deep. Appears the properties of the rock change at around that point as evidenced by mantle plume flow and the behavior of subducted plate slabs. Interesting stuff. Cheers –


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