CROCODILE RIVER: Topography, geology and soils


Map of the CROCODILE River

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The Crocodile River is a major tributary of the Limpopo River  which discharges into the Indian Ocean in Mozambique. The Pienaars, Apies, Moretele, Hennops, Jukskei, Magalies and Elands river are the major tributaries of the Crocodile River, which together make up the tertiary hydrological catchment with its 39 quaternary catchments.     (Ref1) 
The Crocodile River itself does not form any international boundaries but contributes to the flow of the Limpopo River, which has an international river basin shared with Botswana, Zimbabwe and Mozambique. The upper portion of the catchment, south east of Hartbeespoort Dam, is located in the Gauteng Province. The north and north east corners lie in the Limpopo Province whereas the central or western sections fall within the North West Province. (Ref 1)
The major  geological feature of this catchment is the large area of volcanic intrusive rock (north of the Magaliesburg to Thabazimbi) referred to as the Bushveld Igneous Complex. Formations in this complex are extremely rich in minerals, which has led to large-scale exploitation of the platina group of metals in this area. Soil types in this area may be broadly classified as moderate to deep clayey loams which are well utilised for agricultural crops and which also allow a relatively high percentage of runoff of water. (Ref 1)

Department of Water Affairs and Forestry, South Africa. 2004. Crocodile River (West) and Marico Water Management Area: Internal Strategic Perspective of the Crocodile River (West) catchment
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