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Fossilised diatoms, SEM
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Fossilised diatoms, SEM
Fossil diatoms. Coloured scanning electron micrograph (SEM) of fossilised diatoms, single- celled planktonic algae. The diatoms create a shell (frustule) of silica around themselves for protection and support, which is readily fossilised. Rock formed from diatom shells is called diatomite, or diatomaceous earth. It is used industrially as a filter for purifying liquids. Magnification unknown
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Media ID 6370451
© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Alga Algae Diatom Diatoms Fossil Fossilised Fossils Frustule Frustules Mineral Mineralised Phytoplankton Plankton Rock Single Celled Stone Unicellular Palaeontology
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