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. 2020 Mar 9;117(12):6453–6462. doi: 10.1073/pnas.1921037117

Fig. 4.

Fig. 4.

Ostrich eggshell bead 87Sr/86Sr versus KS 87Sr/86Sr. Boxplot showing Melikane and Sehonghong ostrich eggshell bead 87Sr/86Sr values against those generated for the KS’s primary lithological units. Boxes color-coded to the map above.