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Click the icon to view the hierarchy. |
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desert varnish (<coating by composition or origin>, coating (material), ... Materials (hierarchy name)) |
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Note: Thin mineral coating composed of iron and manganese oxides deposited on rock surfaces in desert areas. The reddish brown or black desert varnish layers form as moisture evaporates leaving behind dissolved mineral residue which wind abrasion polishes over the course of centuries. Some petroglyphs are images incised in desert varnish, a technique which exposes the lighter stone beneath. |
Terms: |
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desert varnish (preferred,C,U,English-P,D,U,N)
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woestijnvernis (C,U,Dutch-P,D,U,U)
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Facet/Hierarchy Code: D.DE |
Hierarchical Position:
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![Hierarchy of Materials Facet](/global/images/global_hierarchy.gif)
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Materials Facet |
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![Hierarchy of Materials (hierarchy name)](/global/images/global_hierarchy.gif)
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.... Materials (hierarchy name) (G) |
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![Hierarchy of materials (substances)](/global/images/global_hierarchy.gif)
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........ materials (substances) (G) |
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![Hierarchy of <materials by function>](/global/images/global_hierarchy.gif)
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............ <materials by function> (G) |
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![Hierarchy of coating (material)](/global/images/global_hierarchy.gif)
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................ coating (material) (G) |
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![Hierarchy of <coating by composition or origin>](/global/images/global_hierarchy.gif)
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.................... <coating by composition or origin> (G) |
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![Hierarchy of desert varnish](/global/images/global_hierarchy.gif)
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........................ desert varnish (G) |
Additional Parents:
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![Hierarchy of Physical Attributes Facet](/global/images/global_hierarchy.gif)
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Physical Attributes Facet |
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![Hierarchy of Conditions and Effects (hierarchy name)](/global/images/global_hierarchy.gif)
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.... Conditions and Effects (hierarchy name) (G) |
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![Hierarchy of <conditions and effects by specific type>](/global/images/global_hierarchy.gif)
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........ <conditions and effects by specific type> (G) |
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![Hierarchy of <conditions and effects for landscape>](/global/images/global_hierarchy.gif)
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............ <conditions and effects for landscape> (G) |
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![Hierarchy of desert varnish](/global/images/global_hierarchy.gif)
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................ desert varnish (G) |
Additional Notes: |
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Dutch ..... Dunne mineralenlaag die bestaat uit ijzer- en mangaanoxiden en die is afgezet op rotsoppervlakken in woestijngebieden. De roodbruine of zwarte woestijnvernislagen ontstaan wanneer vocht verdampt en er opgelost mineraalresidu achterblijft, dat in de loop der eeuwen door de wind glad wordt geschuurd. Sommige petrogliefen zijn afbeeldingen die in woestijnvernis zijn gekerfd, waardoor de lichter gekleurde steen eronder zichtbaar wordt. |
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Related concepts: |
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composed of .... |
iron oxide (compound) |
.................... |
(compounds (materials), <materials by chemical form>, ... Materials (hierarchy name)) [300387477] |
composed of .... |
manganese oxide |
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(manganese violet (pigment), inorganic violet pigment, ... Materials (hierarchy name)) [300238624] |
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Sources and Contributors: |
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