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Solid Earth An interactive open-access journal of the European Geosciences Union
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Volume 9, issue 4
Solid Earth, 9, 847–858, 2018
https://doi.org/10.5194/se-9-847-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Solid Earth, 9, 847–858, 2018
https://doi.org/10.5194/se-9-847-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 09 Jul 2018

Research article | 09 Jul 2018

Mechanical models to estimate the paleostress state from igneous intrusions

Tara L. Stephens et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Tara Stephens on behalf of the Authors (15 Jun 2018)  Author's response    Manuscript
ED: Publish as is (21 Jun 2018) by Gwenn Peron-Pinvidic
ED: Publish as is (21 Jun 2018) by Federico Rossetti(Executive Editor)
Publications Copernicus
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Short summary
We present mechanical models that use the attitude and opening angles of igneous sills to constrain stress axes, the stress ratio, and relative magma pressure during dilation. The models can be applied to any set of dilated structures, including dikes, sills, or veins. Comparison with paleostress analysis for coeval faults and deformation bands indicates that sills can be used to characterise the paleostress state in areas where other brittle deformation structures (e.g. faults) are not present.
We present mechanical models that use the attitude and opening angles of igneous sills to...
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