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Deep Earth

Mantle fabric unravelled?

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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Figure 1: Transformation from perovskite to post-perovskite in the deep mantle.


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Correspondence to John Hernlund.

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Hernlund, J. Mantle fabric unravelled?. Nature Geosci 6, 516–518 (2013).

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