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Diatomita o tierra de diatomeas
Cantabria, España
7’5 x 6 cm.
Un sedimento silÃceo claro formado por la acumulación de exoesqueletos (frústulas) de diatomeas (algas unicelulares). (Autor: prcantos)
| Dimensions: | 800 x 600 |
| File size: | 53.37 kbytes |
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