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Articles | Volume 15, issue 10
Articles | Volume 15, issue 10
https://doi.org/10.5194/se-15-1281-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-15-1281-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 10
Research article
 | 
29 Oct 2024
Research article |  | 29 Oct 2024

Localized shear and distributed strain accumulation as competing shear accommodation mechanisms in crustal shear zones: constraining their dictating factors

Pramit Chatterjee, Arnab Roy, and Nibir Mandal

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Latest update: 20 Nov 2024
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Short summary
Understanding strain accumulation processes in shear zones is essential for explaining failure mechanisms at great crustal depths. This study explores the rheological and kinematic factors determining the varying modes of shear accommodation in natural shear zones. Numerical simulations suggest that an interplay of parameters – initial viscosity, bulk shear rate, and internal cohesion – governs the dominance of one accommodation mechanism over another.
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