The effect of low-viscosity sediments on the dynamics and accretionary style of subduction margins

The effect of low-viscosity sediments on the dynamics and accretionary style of subduction margins

Observations of sediments at subduction margins appear to divide them into two classes: accretionary and erosive. Accretionary margins are dominated by accretion of thick piles of sediments (>1 km) from the subducting plate, while tectonic erosion is favored in regions with little or no sedimenta...

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Veröffentlicht in:Solid earth (Göttingen) 2022-09, Vol.13 (9), p.1455-1473
Hauptverfasser: Pusok, Adina E, Stegman, Dave R, Kerr, Madeleine
Format: Artikel
Sprache:eng
Schlagworte:
Accretion
Analysis
Boundary conditions
Convergence
Coupling
Deformation
Deposition
Diagnostic systems
Dynamics
Earth science
Interfaces
Investigations
Kinematics
Lithosphere
Mathematical models
Numerical analysis
Parameters
Plate tectonics
Plates (tectonics)
Radius of curvature
Sediment
Sediments
Sediments (Geology)
Soil erosion
Subduction
Subduction (geology)
Subduction zones
Subduction zones (Geology)
Tectonics
Thickness
Topography
Viscosity
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Zusammenfassung:Observations of sediments at subduction margins appear to divide them into two classes: accretionary and erosive. Accretionary margins are dominated by accretion of thick piles of sediments (>1 km) from the subducting plate, while tectonic erosion is favored in regions with little or no sedimentary cover (
ISSN:1869-9529
1869-9510
1869-9529
DOI:10.5194/se-13-1455-2022