Calcareous phytoplankton. Coloured scanning electron micrograph (SEM) of Coronosphaera mediterranea. This small algal organism (coccolithophore) is su
Calcareous phytoplankton. Coloured scanning electron micrograph (SEM) of Coronosphaera mediterranea. This small algal organism (coccolithophore) is surrounded by a skeleton (coccosphere) of calcium carbonate plates (coccoliths). When the organism dies, the plates separate and sink to the ocean floor. Individual plates have been found in vast numbers and can make up the major component of a particular rock, such as the chalk of England. C. mediterranea is found in marine environments world wide. Magnification: 6000 when printed at 10 centimetres wide. Specimen courtesy of Mike Allen, Plymouth Marine Laboratory.
Size: 4572px × 4135px
Photo credit: © STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No
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