2023
DOI: 10.1093/gji/ggad065
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Micromechanical controls on the brittle-plastic transition in rocks

Abstract: Summary The rheology of rocks transitions from a cataclastic brittle behaviour to plastic flow with increasing pressure and temperature. This brittle-plastic transition is empirically observed to occur when the material strength becomes lower than the confining stress, which is termed Goetze’s criterion. Such a criterion works well for most silicates but is not universal for all materials. We aim to determine the microphysical controls and stress-strain behaviour of rocks in the brittle-plastic … Show more

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Cited by 5 publications
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“…Appendix A. Discretization using the Gauss-Chebyshev quadrature Gauss-Chebyshev quadrature combined with the Barycentric interpolation techniques provide an efficient way to solve elastic boundary integral solutions arising in fracture problems (Viesca and Garagash, 2017;Liu and Brantut, 2022). It has been recently applied to semi-infinite (Garagash, 2019) and finite hydraulic fracture propagation problems (Liu et al, 2019;Kanin et al, 2021;Möri and Lecampion, 2021;Pereira and Lecampion, 2021), illustrating a spectral accuracy and efficiency in large time span semi-analytical investigation.…”
Section: Credit Authorship Contribution Statementmentioning
confidence: 99%
“…Appendix A. Discretization using the Gauss-Chebyshev quadrature Gauss-Chebyshev quadrature combined with the Barycentric interpolation techniques provide an efficient way to solve elastic boundary integral solutions arising in fracture problems (Viesca and Garagash, 2017;Liu and Brantut, 2022). It has been recently applied to semi-infinite (Garagash, 2019) and finite hydraulic fracture propagation problems (Liu et al, 2019;Kanin et al, 2021;Möri and Lecampion, 2021;Pereira and Lecampion, 2021), illustrating a spectral accuracy and efficiency in large time span semi-analytical investigation.…”
Section: Credit Authorship Contribution Statementmentioning
confidence: 99%