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Maps showing a Haversian canal infilled with mineral precipitates. (a) Back-scattered electron image. X-ray maps are also shown: (b) Fe, (c) O, (d) Ba, (e) S, lighter colours indicate higher concentrations of the element. (Scale bar, 2 μm. Width of all images approximately 50 μm.) Elemental distributions within the canal are consistent with iron oxyhydroxide and barium sulphate precipitation.
