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Fig. 5.
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Substructure in the distribution of [Fe/Mg], [Cr/Mg], and [Fe/Na] for low-α stars with [Mg/H] ≃ −0.8. Stars with high [Fe/Mg] values are labelled with black circles and those with lower [Fe/Mg] values with squares. In the lower right panel, the Toomre diagram for the low-α stars is shown with the same labelling.
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