Davis Mine USA.

Davis Mine was originally used to extract pyrites. The waters of the emerging stream are acidic and rich in iron compounds which are then exploited by various bacteria that produce oxidized iron compounds with the typical orange/brown colour.
Originally uploaded in Microbial Life.

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Uploaded: Oct7 04

Last Modified: 2007-06-08 14:17:47
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Image provided by Cristine Barreto, courtesy of the microscope web site.
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