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

Hao Ran; Tamara de Riese; Maria-Gema Llorens; Melanie Finch; Lynn A. Evans; Enrique Gomez Rivas; Albert Griera; Mark W. Jessell; Ricardo A. Lebensohn; Sandra Piazolo; Paul D. Bons

doi:10.1016/j.jsg.2018.04.019

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

Hao Ran, Tamara de Riese, Maria-Gema Llorens, Melanie Finch, Lynn A. Evans, Enrique Gomez Rivas, Albert Griera, Mark W. Jessell, Ricardo A. Lebensohn, Sandra Piazolo, Paul D. Bons

Research output: Contribution to journal › Article

2 Citations (Scopus)

5 Downloads (Pure)

Abstract

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.

Original language	English
Pages (from-to)	41-47
Number of pages	7
Journal	Journal of Structural Geology
Volume	125
Early online date	20 May 2018
DOIs	https://doi.org/10.1016/j.jsg.2018.04.019
Publication status	Published - Aug 2019

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Keywords

Mechanical anisotropy
porphyroclasts
strain localisation
folds
shear zones
Shear zones
Porphyroclasts
Folds
Strain localisation

Cite this

Ran, H., de Riese, T., Llorens, M-G., Finch, M., Evans, L. A., Gomez Rivas, E., Griera, A., Jessell, M. W., Lebensohn, R. A., Piazolo, S., & Bons, P. D. (2019). Time for anisotropy: The significance of mechanical anisotropy for the development of deformation structures. Journal of Structural Geology, 125, 41-47. https://doi.org/10.1016/j.jsg.2018.04.019

Time for anisotropy : The significance of mechanical anisotropy for the development of deformation structures. / Ran, Hao; de Riese, Tamara; Llorens, Maria-Gema; Finch, Melanie; Evans, Lynn A.; Gomez Rivas, Enrique; Griera, Albert; Jessell, Mark W.; Lebensohn, Ricardo A.; Piazolo, Sandra; Bons, Paul D.

In: Journal of Structural Geology, Vol. 125, 08.2019, p. 41-47.

Research output: Contribution to journal › Article

Ran, Hao ; de Riese, Tamara ; Llorens, Maria-Gema ; Finch, Melanie ; Evans, Lynn A. ; Gomez Rivas, Enrique ; Griera, Albert ; Jessell, Mark W. ; Lebensohn, Ricardo A. ; Piazolo, Sandra ; Bons, Paul D. / Time for anisotropy : The significance of mechanical anisotropy for the development of deformation structures. In: Journal of Structural Geology. 2019 ; Vol. 125. pp. 41-47.

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title = "Time for anisotropy: The significance of mechanical anisotropy for the development of deformation structures",

abstract = "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. ",

keywords = "Mechanical anisotropy, porphyroclasts, strain localisation, folds, shear zones, Shear zones, Porphyroclasts, Folds, Strain localisation",

author = "Hao Ran and {de Riese}, Tamara and Maria-Gema Llorens and Melanie Finch and Evans, {Lynn A.} and {Gomez Rivas}, Enrique and Albert Griera and Jessell, {Mark W.} and Lebensohn, {Ricardo A.} and Sandra Piazolo and Bons, {Paul D.}",

note = "HR acknowledges financial support by the China Scholarship Council (CSC; grant nr. 201506400014). EGR acknowledges the support of the Beatriu de Pin{\'o}s programme of the Government of Catalonia's Secretariat for Universities and Research of the Department of Economy and Knowledge (2016 BP 00208). We thank Bruce Hobbs and an anonymous reviewer for their suggestions to improve this article.",

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AU - Evans, Lynn A.

AU - Gomez Rivas, Enrique

AU - Griera, Albert

AU - Jessell, Mark W.

AU - Lebensohn, Ricardo A.

AU - Piazolo, Sandra

AU - Bons, Paul D.

N1 - HR acknowledges financial support by the China Scholarship Council (CSC; grant nr. 201506400014). EGR acknowledges the support of the Beatriu de Pinós programme of the Government of Catalonia's Secretariat for Universities and Research of the Department of Economy and Knowledge (2016 BP 00208). We thank Bruce Hobbs and an anonymous reviewer for their suggestions to improve this article.

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AB - 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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KW - porphyroclasts

KW - strain localisation

KW - folds

KW - shear zones

KW - Shear zones

KW - Porphyroclasts

KW - Folds

KW - Strain localisation

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