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Articles | Volume 16, issue 7
Articles | Volume 16, issue 7
https://doi.org/10.5194/se-16-663-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-16-663-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 16, issue 7
Research article
 | 
14 Jul 2025
Research article |  | 14 Jul 2025

What do arc magmatism trace-element patterns and Sr–Nd–Pb isotopic data reflect? Insights from the Urumieh–Dokhtar magmatic arc of Iran

Mohammad Reza Ghorbani, Meysam Akbari, Ian T. Graham, Mathieu Benoit, and Fatemeh Sepidbar

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Short summary
The vast Cenozoic arc magmatism of Iran introduced three distinct rock series. The LILE (large-ion lithophile elements)-rich and LILE-poor series show signatures of fluid-rich and fluid-poor slab-melt mantle metasomatism, furnished by hot slab subduction. The slab was more hydrated in the northern segment of the study area, where the LILE-rich series dominates. The third series rich in incompatible trace elements, the ITE-rich series, indicates the input of asthenosphere as well.
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