SOTA7: State of the [Continental] Arc

In September 2018, 32 participants from 25 institutions took part in the highest-altitude State of the Arc (SOTA) meeting yet: SOTA7. Participants spent a week in San Pedro in the Chilean Atacama Desert, situated on top of the world’s thickest continental arc crust. A mixture of keynote, regular, and “pop-up” talks and posters explored the realms of geochemistry, geophysics, experimental petrology, and numerical models to address topics in arc magmatism: these included volcano “personality”, the movement of volatiles, compositional evolution, how to match geophysical studies with petrology, and how eruptions are triggered.

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