File:Lake Tsimanampetsotsa, south-western Madagascar (4315971898).jpg

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Lake Tsimanampetsotsa (which literally means “lake without dolphins” in Malagasy) is protected within a national park and as a Ramsar site. The lake directly precipitates carbonate in a closed evaporite basin defined by cliffs of Eocene marine limestone to the east (in front of the picture) and a wide strip of alluvium capping low outcrops of limestone to the west, towards the Channel of Mozambique.

As such, this lake is one of the rare modern equivalents for the spectacular Lagerstätten-producing alkaline playa lakes of the fossil record. The extremely low gradient within its basin produces dramatic changes in the aerial extent in response to seasonal changes in rainfall. These seasonal fluctuations create broad hyper-saline mudflats around the core lake area.
Date
Source Lake Tsimanampetsotsa, south-western Madagascar
Author Frank Vassen from Brussels, Belgium
Camera location24° 06′ 32.95″ S, 43° 46′ 00.42″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by Frank.Vassen at https://flickr.com/photos/42244964@N03/4315971898. It was reviewed on 20 November 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0.

20 November 2015

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current17:47, 20 November 2015Thumbnail for version as of 17:47, 20 November 20151,701 × 1,276 (431 KB)Amada44 (talk | contribs)Transferred from Flickr via Flickr2Commons

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