Difference between revisions of "Tuff"
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Revision as of 21:29, 1 May 2016
Description
A porous, pale-color, sedimentary rock produced from the cementation of volcanic ash. Tuff particles range in size from fine sand to coarse gravel. The soft material can be scratched with a knife blade. Tuff is used as a filler in hydraulic cement.
Synonyms and Related Terms
trass; volcanic tuff; Tuff (Deut., Sven.); tosca (Esp.); tuf volcanique (Fr.); tufsteen (Ned.); tuf (Ned.); tuffiet (Ned.); tuf wulkaniczny (Pol;.); tufo vulcânico (Port.)
Additional Images
Tuff cliff
Tuff
Sources Checked for Data in Record
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 905
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
- The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
- Encyclopedia Britannica, http://www.britannica.com Comment: "tuff" Encyclopædia Britannica [Accessed January 22, 2002
- C.W.Chesterman, K.E.Lowe, Audubon Society Field Guide to North American Rocks and Minerals, Alfred A. Knopf, New York, 1979