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. 2018 Oct 3;13(10):e0204662. doi: 10.1371/journal.pone.0204662

Fig 7. SEM-BSE images and SEM-EDX elemental profiling of dark stains and inclusions observed.

Fig 7

7A-7B) SEM-BSE image of M36 (no bioerosion) showing bright stains and inclusions within cracks and canals. The lighter grey and white colour is evidence of higher density; 7C) Detail of infilled crack. The cross shows the spot where one of the chemical analyses where carried out; 7D-7E) Further details of manganese stains and inclusions within sample M36. Note also the demineralised bone, cracks and stained/enlarged canaliculi, filled with manganese. 7F) SEM spectrum showing the result of the analysis. Manganese (Mn) was detected.