Tag:natural=bare_rock
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 natural = bare_rock
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| Description |
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An area with sparse or no vegetation, so that the bedrock becomes visible 
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| Rendering in OSM Carto |
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| Group: natural |
| Used on these elements |
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| See also |
Status: approved
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An area of bare rock is sparsely vegetated or not vegetated at all, so that the solid bedrock becomes visible. Areas to tag could be:
- high altitude mountain areas where the rock lays bare, like summits, arêtes and rock faces, but not scree, shingle or moraines.
- rocky coasts
- rocky areas in uplands, desert and polar regions
- outcrops like open pit mines or road cuts
- monolithic mountains like Uluru (Ayers Rock).
How to map
To map an area of bare rock you can just draw a line closing on itself, marking the area as bare rock. To map larger or more complex areas you can use relation:multipolygon with the same tag.
It can be mapped as a node (if there is no way to map it as a geometry), especially when someone wants to map name or some other additional properties. But mapping as an area is strictly preferable.
Examples
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Precambrium Granite exposed at "The Castle" near Wellington Lake, Colorado, USA. -
Triassic Limestone (Wettersteinkalk) in the "Wilder Kaiser", Northern Calcareous Alps (Austria, Scheffau)
Rendering
| osm-carto z13 | osm-carto z12 |
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See also
- natural=cliff - steep natural drop in terrain topography
- natural=blockfield - pile of rocks, often formed as a result of volcanic or glacial activity.
- natural=scree - loose angular rock fragments formed by rockfall and weathering from adjacent rock faces
- natural=shingle - rounded rock fragments on a beach or riverbed, deposited and shaped by movement of water
- natural=stone - large boulders (glacial erratics or rock fall) not attached to the bedrock, mainly single node element
- natural=rock - isolated, notable rock features connected to the bedrock, mainly single node element
- natural=glacier - glacier areas
Possible tagging mistakes
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