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tufa |
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tufa: see travertine travertine (trăv`ərtĭn, –tēn), form of massive calcium carbonate, CaCO3 ..... Click the link for more information. . tufa a soft porous rock consisting of calcium carbonate deposited from springs rich in lime tufa [′tü·fə] (geology) A spongy, porous limestone formed by precipitation from evaporating spring and river waters, often onto leaves and stems of neighboring plants. Also known as calcareous sinter; calcareous tufa. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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There are many weekend choices only natives tend to know about, here; from renting a houseboat on Shasta Lake and visiting the tufa mounds and birds at Mono Lake to biking on Angel Island. The Armenians built their religious edifices out of the pink volcanic tufa that has the unique properties to harden over time. The tufa formation gets is unique color from living thermophillic algae that began growing in the 1960s when the geyser was caused by geothermal exploration. |
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