Magmatic and Metamorphic Processes in Orogenic Belts

Dear Colleagues,

Orogenic belts represent dynamic and complex tectonic regions where crustal growth, modification, and recycling are driven by the interplay between magmatic and metamorphic processes under variable pressure–temperature conditions. Magmatic activity—whether arc-related, syn-collisional, or post-collisional—preserves the imprints of mantle contributions and crust–mantle interactions in its chemical and isotopic signatures, while metamorphism promotes extensive changes in existing protoliths through recrystallization and element redistribution. Integrated investigations combining mineralogical observations, whole-rock and mineral geochemistry, and isotopic systems are essential to constrain the timing, sources, thermal regimes, and mass transfer processes that control orogenic evolution. Such approaches provide critical insights into the multi-stage nature of orogenesis, including the balance between recycled and juvenile crustal components, the role of partial melting versus solid-state reworking, and the mechanisms by which mountain belts are constructed and stabilized.

This Special Issue aims to emphasize the importance of integrated mineralogical, geochemical, and isotopic studies for advancing our understanding of the magmatic and metamorphic processes involved in orogen construction.

Prof. Dr. Ignez de Pinho Guimarães
Dr. Jefferson Valdemiro de Lima
Dr. José Victor Antunes Amorim
Prof. Dr. Adejardo Francisco da Silva Filho
Guest Editors

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