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Photographer's Note

The Orange River is South Africa's longest and largest river. Starting in Lesotho, it flows westwards and is joined by a major tributary, the Vaal River, before it reaches Aughrabies falls. Here it has carved deeply into the hard granite below the falls, forming an impressive canyon. Further downstream it forms the border between South Africa and Namibia until it empties into the Atlantic Ocean at Alexander Bay and Oranjemund.

Alluvial diamonds are found at the estuary of the Orange River and some have been transported up the coast by the norhtward-moving Benguela current and washed up on the beaches of the Namib desert in southern Namibia. It is not certain what the source of the diamonds was but alluvial diamonds also occur along the courses of the Vaal River and a tributary, the Harts River. In all probability the diamonds were derived from intrusive kimberlite pipes further upstream and some carried as far as the Atlantic. Although there are many kimberlite pipes in South Africa (not all kimberlites contain diamonds), the ones that could have served as the source of the alluvial diamonds have not been found.

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Photo Information
  • Copyright: Neels Gunter (corjan3) Gold Star Critiquer/Silver Workshop Editor/Gold Note Writer [C: 253 W: 17 N: 452] (2109)
  • Genre: Places
  • Medium: Color
  • Date Taken: 2006-09-30
  • Categories: Nature
  • Exposure: f/14.0, 1/500 seconds
  • More Photo Info: view
  • Photo Version: Original Version
  • Date Submitted: 2011-01-06 3:55
Viewed: 2083
Points: 2
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Additional Photos by Neels Gunter (corjan3) Gold Star Critiquer/Silver Workshop Editor/Gold Note Writer [C: 253 W: 17 N: 452] (2109)
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