African Geographic Pictures Collection
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| Image number: | 1330 |
| Feature : | calcrete |
| Grouping : | karst, caves, chemical deposits |
| Discipline : | pedology |
| Year : | 1999 |
| Locality : | Kathu pan |
| Country : | South-Africa |
| Region - tribe : | Northern Cape |
| Physiographic region : | Vaal & Orange River basin |
| Notice : | notice Secundary deposits of calcium carbonate CaCO3, tufa, are found in the depressions between the linear dunes of the Kalahari sand sea. The calcretes result of the evaporation of calcium containing water. |
| Reference : | Moeyersons, Jan, 1999 Image 1330. In : Moeyersons, Jan : "African Geographic Pictures", http://www.africamuseum.be/en/research/collections_libraries/earth_sciences/collections/geopic" |