Time for anisotropy: The significance of mechanical anisotropy for the development of deformation structures.

The forty-year history of the Journal of Structural Geology has recorded an enormous increase in the description, interpretation and modelling of deformation structures. Amongst factors that control deformation and the resulting structures, mechanical anisotropy has proven difficult to tackle. Using...

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Bibliographic Details
Authors: Ran, Hao, de Riese, Tamara, Llorens, Maria-Gema, Finch, M., Evans, L., Gómez Rivas, Enrique, Griera i Artigas, Albert, Jessell, M., Lebensohn, Ricardo A., Piazolo, S., Bons, Paul D.
Format: article
Status:Versión aceptada para publicación
Publication Date:2019
Country:España
Institution:Universidad de Barcelona
Repository:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/162670
Online Access:https://hdl.handle.net/2445/162670
Access Level:Open access
Keyword:Anisotropia
Geologia estructural
Anisotropy
Structural geology
Description
Summary:The forty-year history of the Journal of Structural Geology has recorded an enormous increase in the description, interpretation and modelling of deformation structures. Amongst factors that control deformation and the resulting structures, mechanical anisotropy has proven difficult to tackle. Using a Fast Fourier Transform-based numerical solver for viscoplastic deformation of crystalline materials, we illustrate how mechanical anisotropy has a profound effect on developing structures, such as crenulation cleavages, porphyroclast geometry and the initiation of shear bands and shear zones.

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