Articles | Volume 8, issue 1
https://doi.org/10.5194/se-8-93-2017
https://doi.org/10.5194/se-8-93-2017
Review article
 | 
06 Feb 2017
Review article |  | 06 Feb 2017

Arrested development – a comparative analysis of multilayer corona textures in high-grade metamorphic rocks

Paula Ogilvie and Roger L. Gibson

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Short summary
Coronas are vital clues to the presence of arrested reaction in metamorphic rocks. We review formation mechanisms of coronas and approaches utilized to model their evolution in PTX space. Forward modelling employing calculated chemical potential gradients allows a far more nuanced understanding of the intricacies that govern metamorphic reaction. These models have critical implications for the limitations and opportunities coronas afford in interpreting the evolution of metamorphic terranes.
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