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|The Thamalakane River|
|Length||1,700 km (1,100 mi)|
The Thamalakane River is a river located in Botswana, Africa, at the southern end of the Okavango Delta. It has no well defined beginning (spring) and no clear end (delta). It is the result of the Thamalakane fault - which began to form about two million years ago by the geological process of rifting that is currently splitting Africa apart along the East African Rift.
When the land between two parallel faults (the Gumare fault and the Kunyere fault) started dropping, the Okavango River's flow was blocked by the Thamalakane fault and it started to fan out and built myriads of water channels - what is now known as the Okavango Delta.
One of the main channels draining the Okavango Delta is the Boro River. Being blocked by the fault, it empties literally at a right angle into the waterway created by the fault, the Thamalakane River. Roughly 40 km to the west, the water found a break in the Thamalakane Fault. Again at a right angle it empties the Thamalakane River and forms the Boteti River, which incurs seasonal desiccation in some lower reaches. In the rainy season the Boteti discharges to the Makgadikgadi Pans, bringing that area alive with wet season high biological productivity.
- C. Michael Hogan. 2008
- T. Scudder. 1993
- C.Michael Hogan. 2008. Makgadikgadi, A. Burnham, ed. The Megalithic Portal
- T.Scudder. 1993. The IUCN review of the Southern Okavango Integrated Water Development Project, International Union for Conservation of Nature and Natural Resources 543 pages
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