Basalt organs (photogrammetry)

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photogrammetryblender3D
Source
Sketchfab
Polygon Count
504,323
Release Date
2020-08-25
License
CC BY 4.0
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# Photogrammetry of Basalt Organs This 3D model was realised in Reunion Island in "l'Entre-Deux"

Camera: Sony DSC HX-100V
Type: Photogrammetry
Focal: 24 x 36 (Source of Wikipedia): Organs (by analogy with the instrument) or basalt columns are a geological formation made up of regular columns. It results from the solidification and thermal contraction of a basaltic flow shortly after its emission. The lower part, which cools or dries up more slowly, fractures from surface to depth in the form of sub-vertical prisms with a hexagonal section of decimetric order. These columns are surmounted by a zone of small less regular prisms (or "false prism") which can be combined in sheaves. Basaltic organs in the arm of the L'Entre-Deux river. By extension one often qualifies as basaltic organs volcanic formations whose composition is not basaltic, for example in France the organs of Bort and of the Sanadoire rock (made up of phonolite).