Mantle flow patterns may be reconstructed from mineral orientations. Experiments show that the high-pressure mineral post-perovskite can inherit texture from its lower-pressure counterpart, suggesting new ways of interpreting flow in the deepest mantle.
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Hernlund, J. Mantle fabric unravelled?. Nature Geosci 6, 516–518 (2013). https://doi.org/10.1038/ngeo1868
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DOI: https://doi.org/10.1038/ngeo1868