Difference between revisions of "Crust"
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| − | [[File: | + | [[File:Ibis 87446.jpg|thumb|Incrusted bronze<br>MFA# 87.446]] |
== Description == | == Description == | ||
| + | [[File:84.19-SC71187_RL .jpg|thumb|Brown crust on glass<br>MFA# 84.19]] | ||
| + | A hard covering or coat on the surface of another material. In minerals or metals, a crust or deterioration product of one, may be redeposited over another. Weathering may oxidize or deteriorate the surface of some materials forming a hard, sometimes protective, crust. A surface crust may also be formed by pollution or by low solubility salts, such as calcium sulfate, that form glassy, adherent films. See [[black crust]], [[gypsum crust]], [[gypcrete]], and [[caliche]]. | ||
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== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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<gallery> | <gallery> | ||
| − | File:Black.crust-01_ICOMOS.jpg|Black crust | + | File:Black.crust-01_ICOMOS.jpg|Black crust, Photo credit: V. Vergès-Belmin |
| − | File:Black.crust-02_ICOMOS.jpg|Black crust | + | File:Black.crust-02_ICOMOS.jpg|Black crust, Photo credit: B. Fitzner |
| − | File:Salt.crust_ICOMOS.jpg|Salt crust | + | File:Salt.crust_ICOMOS.jpg|Salt crust, Photo credit: B. Fitzner |
</gallery> | </gallery> | ||
| − | + | ==Resources and Citations== | |
| − | == | + | * ICOMOS-ISCS: [http://www.international.icomos.org/publications/monuments_and_sites/15/pdf/Monuments_and_Sites_15_ISCS_Glossary_Stone.pdf Illustrated glossary on stone deterioration patterns] |
* ''Dictionary of Building Preservation'', Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996 | * ''Dictionary of Building Preservation'', Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996 | ||
| − | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "crust" | + | * ''Encyclopedia Britannica'', http://www.britannica.com Comment: "crust" [Accessed 18 Oct. 2005]. |
| − | * Wikipedia | + | * Wikipedia: http://en.wikipedia.org/wiki/Crust (accessed Jan 6, 2006) |
| − | * Art and Architecture Thesaurus Online, | + | * Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000 |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Latest revision as of 13:55, 7 July 2022
Description
A hard covering or coat on the surface of another material. In minerals or metals, a crust or deterioration product of one, may be redeposited over another. Weathering may oxidize or deteriorate the surface of some materials forming a hard, sometimes protective, crust. A surface crust may also be formed by pollution or by low solubility salts, such as calcium sulfate, that form glassy, adherent films. See Black crust, Gypsum crust, Gypcrete, and Caliche.
Synonyms and Related Terms
crusting; incrustation; encrustation; black crust; gypsum crust; caliche; gypcrete
Additional Images
Black crust, Photo credit: V. Vergès-Belmin
Black crust, Photo credit: B. Fitzner
Salt crust, Photo credit: B. Fitzner
Resources and Citations
- ICOMOS-ISCS: Illustrated glossary on stone deterioration patterns
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- Encyclopedia Britannica, http://www.britannica.com Comment: "crust" [Accessed 18 Oct. 2005].
- Wikipedia: http://en.wikipedia.org/wiki/Crust (accessed Jan 6, 2006)
- Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000