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Tufa

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Name:
Etymol: Italian tufo.
A limestone formed when carbonate minerals precipitate out of ambient temperature water.

A chemical sedimentary rock composed of calcium carbonate, formed by evaporation as a surficial, spongy, porous, semifriable incrustation around the mouth of a hot or cold spring or seep, or along a stream carrying calcium carbonate in solution, and exceptionally as a thick, bulbous, concretionary or compact deposit in a lake or along its shore. It may also be precipitated by algae or bacteria. The hard, dense variety is travertine. The term is rarely applied to a similar deposit consisting of silica. It is not to be confused with tuff.


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Classification of TufaHide

References for TufaHide

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Klaus K.E. Neuendorf, James P. Mehl, Jr., and Julia A. Jackson (Editors), 2017. Glossary of Geology. Fifth REVISED edition. American Geological Institute (abbreviated as AGI).

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