Distribution of elemental abundances of the measured elements as a function of metallicity, coloured by density (with a minimum of five stars per bin). All elements are shown relative to the iron abundance, except for Li (shown as absolute abundance). The elements are indicated in the upper right corner of each panel. Measurements from the literature are overlaid as grey dots, that is, results by Bensby et al. (2014) for O, Na, Mg, Al, Si, Ca, Ti, Cr, Ni, Zn, Y, and Ba, Battistini & Bensby (2015) for Sc, V, Mn, Nissen et al. (2014) for C, Zhao et al. (2016) for K, and Delgado Mena et al. (2017) for Cu. For details regarding the individual elements, see respective paragraphs in Sect. A.
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