Deterioration Patterns Wallpaintings: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
No edit summary |
||
| Line 11: | Line 11: | ||
== Lime sinter crusts == | == Lime sinter crusts == | ||
[[file:Nehren Kalksinterkruste.jpg|thumb|300px|left| | [[file:Nehren Kalksinterkruste.jpg|thumb|300px|left| lime sinter crust,Roman wall-painting, Grave chamber, Nehren]] | ||
[[file:Kalksinterkruste NWW Nehren.jpg|thumb|300px|right| | [[file:Kalksinterkruste NWW Nehren.jpg|thumb|300px|right|lime sinter crust,Roman wall-painting, Grave chamber Nehren]] | ||
Repeated precipitation of calcium carbonate formed on the surface of wall paintings a white, dense lime sinter crust. It is characterized by a high stability and strong bond with the painting. The vapour permeability of the wall painting is reduced and the crustal layers affect the aesthetic appearance considerably. | Repeated precipitation of calcium carbonate formed on the surface of wall paintings a white, dense lime sinter crust. It is characterized by a high stability and strong bond with the painting. The vapour permeability of the wall painting is reduced and the crustal layers affect the aesthetic appearance considerably. | ||
<br clear=all> | <br clear=all> | ||
== Cauliflower crust == | == Cauliflower crust == | ||
[[file:Blumenkohlkruste Nehren NWW Detail.jpg|thumb|300px|left| | [[file:Blumenkohlkruste Nehren NWW Detail.jpg|thumb|300px|left|Cauliflower crust, Grave chamber Nehren]] | ||
[[file:Blumenkohlkruste Nehren NWW.jpg|thumb|300px|right|Blumenkohlkruste, | [[file:Blumenkohlkruste Nehren NWW.jpg|thumb|300px|right|Blumenkohlkruste, Grave chamber Nehren]] | ||
Characteristic is the formation of firmly adhering Pustel?? and stable crusts. The composition may consist of calcium carbonate and calcium sulphate. Depending on the contaminants carried the cauliflower crust appear whitish, yellowish, reddish or brownish. Biogenic rests can be stored in the crustal layers. | Characteristic is the formation of firmly adhering Pustel?? and stable crusts. The composition may consist of calcium carbonate and calcium sulphate. Depending on the contaminants carried the cauliflower crust appear whitish, yellowish, reddish or brownish. Biogenic rests can be stored in the crustal layers. | ||
<br clear=all> | <br clear=all> | ||
<!-- | |||
== Hygroscopic salts == | == Hygroscopic salts == | ||
[[file:Gipskruste Hygroskopisch.jpg|thumb|300px|left|Gipskruste, hygroskopisch, Grabkammer Nehren]] | [[file:Gipskruste Hygroskopisch.jpg|thumb|300px|left|Gipskruste, hygroskopisch, Grabkammer Nehren]] | ||
| Line 40: | Line 40: | ||
<br clear=all> | <br clear=all> | ||
--> | |||
[[Category:NRiedl]][[Category:DecayPattern_Wallpainting]] [[Category:R-HJuling]] [[Category:R-CBlaeuer]] [[Category:inProgress]] | [[Category:NRiedl]][[Category:DecayPattern_Wallpainting]] [[Category:R-HJuling]] [[Category:R-CBlaeuer]] [[Category:inProgress]] | ||
Revision as of 15:28, 3 May 2011
<bibimport/>
back to Decay Pattern
Author: Nicole Riedl
Examples of damage by salt progression[edit]
Lime sinter crusts[edit]
Repeated precipitation of calcium carbonate formed on the surface of wall paintings a white, dense lime sinter crust. It is characterized by a high stability and strong bond with the painting. The vapour permeability of the wall painting is reduced and the crustal layers affect the aesthetic appearance considerably.
Cauliflower crust[edit]
Characteristic is the formation of firmly adhering Pustel?? and stable crusts. The composition may consist of calcium carbonate and calcium sulphate. Depending on the contaminants carried the cauliflower crust appear whitish, yellowish, reddish or brownish. Biogenic rests can be stored in the crustal layers.