File:Peabody shell powdering.jpg
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Shell. Powdering of shell at edges from acidic storage material. Comments: Acidic pollutants in storage cause the breakdown of the shell matrix and the material to powder at the edges. Image Credit: (c) President and Fellows of Harvard College, Peabody Museum of Archaeology and Ethnology Image with permission for use provided by J.Jungels and C. Mackey 01/2020.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 04:09, 8 April 2020 | | 1,456 × 1,440 (982 KB) | Sspringer (talk | contribs) | Shell. Powdering of shell at edges from acidic storage material. Comments: Acidic pollutants in storage cause the breakdown of the shell matrix and the material to powder at the edges. Image Credit: (c) President and Fellows of Harvard College, Peabo... |
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