African Geographic Pictures Collection

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Image number: 1316
Feature : river tufa
Grouping : karst, caves, chemical deposits
Discipline : geomorphology
Year : 1999
Locality : Kuruman
Country : South-Africa
Region - tribe : Northern Cape
Physiographic region : Vaal & Orange River basin
Notice : notice River tufa are chemical precipitates attributed in this case to warmer-wetter periods in the geological past. The tufa lean against the escarpemnt or cliff, visible in the right of the picture.
Reference : Moeyersons, Jan,   1999    Image 1316.   In : Moeyersons, Jan : "African Geographic Pictures", http://www.africamuseum.be/de/research/collections_libraries/earth_sciences/collections/geopic"