Bacterially hardened sand. Sample of sand that has been formed into rock by Bacillus pasteurii bacteria. These bacteria are able to precipitate calcit

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Bacterially hardened sand. Sample of sand that has been formed into rock by Bacillus pasteurii bacteria. These bacteria are able to precipitate calcite and solidify sand when given a calcium source and urea, through a process known as biological cementation. Because of this S. pasteurii has been proposed as an ecologically sound biological construction material.

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Size: 3425px × 5138px
Photo credit: © PASCAL GOETGHELUCK/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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