Articles | Volume 15, issue 2
https://doi.org/10.5194/se-15-167-2024
https://doi.org/10.5194/se-15-167-2024
Research article
 | 
08 Feb 2024
Research article |  | 08 Feb 2024

Contribution of carbonatite and recycled oceanic crust to petit-spot lavas on the western Pacific Plate

Kazuto Mikuni, Naoto Hirano, Shiki Machida, Hirochika Sumino, Norikatsu Akizawa, Akihiro Tamura, Tomoaki Morishita, and Yasuhiro Kato

Data sets

Results of geochemical analysis and modeling of Mikuni et al. "Contribution of carbonatite and recycled oceanic crust to petit-spot lavas on the western Pacific Plate", Version 1.0 Kazuto Mikuni et al. https://doi.org/10.60520/IEDA/113084

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Short summary
Plate tectonics theory is the motion of rocky plates (lithosphere) over ductile zones (asthenosphere). The causes of the lithosphere–asthenosphere boundary (LAB) are controversial; however, petit-spot volcanism supports the presence of melt at the LAB. We conducted geochemistry, geochronology, and geochemical modeling of petit-spot volcanoes on the western Pacific Plate, and the results suggested that carbonatite melt and recycled oceanic crust induced the partial melting at the LAB.