Iannelli, SB, Fernández Paz, L, Litvak, VD, Gianni, G, Fennell, LM, González, J, Lucassen, F, Kasemann, SA, Oliveros, V and Folguera, A (2020) Southward-directed subduction of the farallon–aluk spreading ridge and its impact on subduction mechanics and Andean arc magmatism: insights from geochemical and seismic tomographic data. Frontiers in Earth Science, 8. doi:10.3389/feart.2020.00121