African Geographic Pictures Collection
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| Image number: | 1369 |
| Feature : | doline |
| Grouping : | pseudo-karst |
| Discipline : | geomorphology |
| Year : | 1975 |
| Locality : | Ruhengeri |
| Country : | Rwanda |
| Region - tribe : | Virunga |
| Physiographic region : | Rift-Albertine |
| Notice : | Collapsed roof of lava tunnel. Underground flows of lava in fused condition create tunnel-like emptied spaces. Lava tube cave. |
| Reference : | Moeyersons, Jan, 1975 Image 1369. In : Moeyersons, Jan : "African Geographic Pictures", http://www.africamuseum.be/en/research/collections_libraries/earth_sciences/collections/geopic" |