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All contents ©1999-2008 |
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Tufa is common limestone. What is uncommon about this limestone is the way it forms. Typically, underwater springs rich in calcium mix with lakewater rich in carbonates. As the calcium comes in contact with carbonates in the lake, a chemical reaction occurs resulting in calcium carbonate - limestone. The calcium carbonate precipitates (settles out of solution as a solid) around the spring, and over the course of decades to centuries, a tufa tower will grow. Tufa towers grow exclusively underwater, and some grow to heights of over 30 feet. I took these images at Mono Lake in California in January 2006. |
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Thanks for looking! I post these images for two reasons: (1) for those who are interested in seeing my latest work and (2) I often hold off going into the darkroom to print an image until I get your reactions.
Availability of the Images of the Month - if clicking on an image takes you to its own page, then it is available. If you click and nothing happens, I haven’t printed it yet - if you think I should, please let me know (no obligation). |
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