Properties of the dwarf stars of the main and additional samples (left and right columns, respectively; see details in Table 1) in the Tinsley–Wallerstein diagram. The solid curve separates the top 1% of stars in each of the 10 metallicity bins from the remaining 99% (exαFe and [α/Fe]-normal stars, respectively), whereas the dashed curve is the median (50% of stars above and below it). From top to bottom: ages, masses, and Li abundances are color-coded, with the color of the background indicating the mean value of the property in bins of size 0.0125 dex in [Fe/H] and 0.0094 dex in [α/Fe]. Individual stars with age ≤3 Gyr and A(Li) ≥ 2.65 dex are also indicated by big and small points for stars above and below the top 1% curve, respectively.