Diatomaceous Earth. Coloured scanning electron micrograph (SEM) of diatomaceous earth consisting of fossilized diatoms. This sample is from Loch Cuithir on the Isle of Skye, Scotland. Diatoms are 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 x290 at 10cm wide.
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Creative#:
TOP07420771
Source:
達志影像
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RM
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須由TPG 完整授權
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NO
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