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Fig. 2


Probability distributions of the mean values (μ) and dispersions (σ) in the abundance ratios. Here, the x-axis has been normalized to zero at the observed mean of each element’s [X/Fe] to emphasize the abundance spreads. Contours are placed at 0.5–3σ in steps of 0.5, where the red curve highlights the 1σ contour. We note the significant spreads in the light elements Na, Mg, and Al.

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