H2O-fluxed remelting of arc roots drives continent maturation and the Daly Gap
O-rich environment does not produce voluminous residues, thus relaxing the volume constraints related to FC models. Remelting also explains the scarcity of intermediate arc rocks, known as the Daly Gap. Our findings demonstrate that aqueous fluids inflow into continental arcs triggers substantial lower crustal remelting, driving intra-crustal differentiation. This crustal maturation process and the genesis of the Daly Gap are thus intrinsic to subduction zones.
Authors
- Guillermo Ortiz Joya (ORCID: https://orcid.org/0009-0008-2097-4554)
- Weinberg
- Oliver Nebel (ORCID: https://orcid.org/0000-0002-5068-7117)
- Pengsheng Dong (ORCID: https://orcid.org/0000-0001-9801-0968)
- Di-Cheng Zhu
- Qing Wang
Institutions
- China University of Geosciences (Beijing) (CN)
- GEOMAR Helmholtz Centre for Ocean Research Kiel (DE)
- Monash University (AU)
Publication Details
- Journal
- Nature Communications
- Published
- 2026-05-12
- DOI
- https://doi.org/10.1038/s41467-026-72194-1
- Primary Topic
- Geological and Geochemical Analysis
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- National Natural Science Foundation of China
- Australian Research Council