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Petrogenesis of shield volcanism from the Juan Fernandez Ridge, Southeast Pacific: Melting of a low-temperature pyroxenite-bearing mantle plume
(PERGAMON-ELSEVIER SCIENCE LTD, 2019)
The Juan Fernandez Ridge (JFR) is an age-progressive volcanic chain (similar to 800 km long) related to a fixed mantle plume in the Southeast Pacific offshore central Chile. The high He-3/He-4 ratio (up to 18 times higher ...