Plaine de Sables
|Copyright: Omar Guessab (mano)
|Date Taken: 2003-10-19|
|Photo Version: Original Version|
|Date Submitted: 2005-11-07 19:41|
|[Note Guidelines] Photographer's Note [French]|
|Notice : For technical reasons and because that the Reunion Island does not exist in the drop-down list of the countries to choose I allowed myself to note Mauritius close to the Reunion island. Moka does not exist on the Reunion Island.|
The Reunion island is less than 10 million years old and is a part of the archipelago of Mascareigne, with Mauritius and the Rodrigues island. It is located at the south-west of the Indian Ocean, at 800 km from Madagascar and to 2 000 km from the coasts of Africa it is made of two solid masses coupled which culminate around 3000 m : the Piton des Neiges (3069m which constitutes the largest part of the north-western island) the older, born 5 million years ago currently inactive since 12000 years and the Piton de La Fournaise (2600 m) which is still active, towards South-east.
The completely naked Plaine des Sables, covered with slags is a plate tops of the Reunion Island which we must cross to reach the Piton de la Fournaise. Around the Fournaise, we notices several concentric vertical setbacks, from 100 to 300 m in height, which correspond to the edges, locally named ramparts, of several caldeira (the word caldeira comes from the volcanic islands of the Canaries and indicates a cauldron).
In volcanology, this term definite a vast depression of circular form due to the collapse of the central part of a volcanic apparatus which the Plaine des Sables is the example. In fact, 150 000 years from now, the basaltic top in the shape of shield of the volcano of the Piton des neiges would have been located in the area of the Plaine des Sables. Its evolution was marked by the formation of the Plaine des Sables caldeira.
The Plain of Sands is however dominated by the Piton Chisney, whose last eruption is at the origin of its lunar aspect.
(Sorry but my english is not perfect :)
This photo has been taken with a disposable camera since a helicopter.
Treatment with AP CS and Neat Image
Hope you like it : )
petrudamsa has marked this note useful
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My first look at the Reunion Island. I tought is .... greener. The note is very good, complete and explains well the picture. Thanks.
You are very lucky to see this great place. Amazing view and I envy you very much to be there!
- [2007-12-15 21:51]