Heterogeneous Subgreenschist Deformation in an Exhumed Sediment‐Poor Mélange

Many described subduction complexes (or mélanges) exhumed from seismogenic depths comprise thick, turbidite‐dominated sequences with deformed zones containing clasts or boudins of more competent sandstone and/or basalt. In contrast, many active subduction zones have a relatively small thickness of s...

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Veröffentlicht in:	Journal of geophysical research. Solid earth 2022-08, Vol.127 (8), p.e2022JB024353-n/a
Hauptverfasser:	Leah, H., Fagereng, Å., Groome, N., Buchs, D., Eijsink, A., Niemeijer, A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Basalt Calcite Chlorite Computer models Creep (materials) Curves Deformation Depth Earthquakes Field investigations Fluid pressure Fluids Geophysics Gwna Limestone Mathematical models mechanics microstructure Mudstone Pelagic sediments Plate boundaries Plate tectonics Plates (tectonics) Pressurized fluids Recrystallization rheology Rocks Sandstone Sedimentary rocks Sediments Seismic activity Seismic response Shear strain Shear stress Shear zone Slip Stone Strain rate Stratigraphy Subduction Subduction (geology) Subduction zones Thermometry Turbidites Veins (geology) Zone plates
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Zusammenfassung:	Many described subduction complexes (or mélanges) exhumed from seismogenic depths comprise thick, turbidite‐dominated sequences with deformed zones containing clasts or boudins of more competent sandstone and/or basalt. In contrast, many active subduction zones have a relatively small thickness of sedimentary inputs (
ISSN:	2169-9313 2169-9356
DOI:	10.1029/2022JB024353