African Geographic Pictures Collection
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| Image number: | 1491 |
| Feature : | piping |
| Grouping : | soil erosion |
| Discipline : | geomorphology |
| Year : | 1996 |
| Locality : | Yamé river at Ounjougou |
| Country : | Mali |
| Region - tribe : | Bandiagara - Dogon |
| Physiographic region : | W-African Savanna belt |
| Notice : | Piping or tunneling is a type of mechanical underground erosion. Here pipes develop along desiccation fissures in clayey river deposits. |
| Reference : | Moeyersons, Jan, 1996 Image 1491. In : Moeyersons, Jan : "African Geographic Pictures", http://www.africamuseum.be/en/research/collections_libraries/earth_sciences/collections/geopic" |