Research Topic

Forearc Regions as the Key to Decipher Subduction Zone Dynamics

About this Research Topic

Forearcs are considered as the zone between the magmatic arc and the trench along a subduction zone continental margin, and are key areas to understand the tectonic evolution of continents. Most active forearcs experience the majority of the largest earthquakes on Earth, whereas relicts of fossil forearc regions are preserved as fragments of accretionary prisms and forearc basins. These fossil forearc regions preserve valuable geochronological, sedimentary, structural and magmatic records of continental margin deformation at a range of temporal and spatial scales. These records include metamorphism during subduction zone initiation and maturation, erosion of the magmatic arc and deformation associated with the seismic cycle, among others.

The aim of this Research Topic is to collect manuscripts that use different approaches to understand the evolution of subduction zone margins through the study of the geochronology, stratigraphy, deformation, metamorphic processes and geophysical properties along fossilized forearc regions and active forearcs, from the micro to the regional kilometric scale. The final goal is to gather new ideas and interpretations on the evolution of forearc zones, in order to finally get a more detailed understanding on the evolution of active continental margins.

We welcome Original Research and Review articles based on field observations, petrological modelling of metamorphic processes and structural studies of paleo-accretionary prisms, high-precision geochronology, stratigraphic and provenance studies along forearc basins and geophysical or remote sensing imaging of active forearcs, as well as multidisciplinary approaches. We particularly encourage (but are not limited to) contributions of the following issues:
-Tectonic deformation across forearc domains and its relationship to orogenic evolution and arc magmatism;
-Petrological modelling (P-T-t paths) of metamorphic processes and structural studies across paleo-accretionary prisms;
-Stratigraphy, geochronology and tectonic evolution of forearc basins, including provenance studies;
-Records of seamount or oceanic relief subduction and its effects on forearc domains;
-Modern imaging of active forearc zones through analysis of geophysical and remote sensing data.


Keywords: forearc, subduction zone, accretionary prism, geodynamics, plate dynamics


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

Forearcs are considered as the zone between the magmatic arc and the trench along a subduction zone continental margin, and are key areas to understand the tectonic evolution of continents. Most active forearcs experience the majority of the largest earthquakes on Earth, whereas relicts of fossil forearc regions are preserved as fragments of accretionary prisms and forearc basins. These fossil forearc regions preserve valuable geochronological, sedimentary, structural and magmatic records of continental margin deformation at a range of temporal and spatial scales. These records include metamorphism during subduction zone initiation and maturation, erosion of the magmatic arc and deformation associated with the seismic cycle, among others.

The aim of this Research Topic is to collect manuscripts that use different approaches to understand the evolution of subduction zone margins through the study of the geochronology, stratigraphy, deformation, metamorphic processes and geophysical properties along fossilized forearc regions and active forearcs, from the micro to the regional kilometric scale. The final goal is to gather new ideas and interpretations on the evolution of forearc zones, in order to finally get a more detailed understanding on the evolution of active continental margins.

We welcome Original Research and Review articles based on field observations, petrological modelling of metamorphic processes and structural studies of paleo-accretionary prisms, high-precision geochronology, stratigraphic and provenance studies along forearc basins and geophysical or remote sensing imaging of active forearcs, as well as multidisciplinary approaches. We particularly encourage (but are not limited to) contributions of the following issues:
-Tectonic deformation across forearc domains and its relationship to orogenic evolution and arc magmatism;
-Petrological modelling (P-T-t paths) of metamorphic processes and structural studies across paleo-accretionary prisms;
-Stratigraphy, geochronology and tectonic evolution of forearc basins, including provenance studies;
-Records of seamount or oceanic relief subduction and its effects on forearc domains;
-Modern imaging of active forearc zones through analysis of geophysical and remote sensing data.


Keywords: forearc, subduction zone, accretionary prism, geodynamics, plate dynamics


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

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Submission Deadlines

30 June 2021 Abstract
21 September 2021 Manuscript

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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Topic Editors

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Submission Deadlines

30 June 2021 Abstract
21 September 2021 Manuscript

Participating Journals

Manuscripts can be submitted to this Research Topic via the following journals:

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