English: Stromatolitic formations in a lagoon situated in the south-east of the Agua Amarga Salar (Atacama Region, Chile). The part outside the water is covered by halite (white crust), while the part inside the water it is formed by gypsum and dust dragged by the wind and precipitated in the lagoon (Photography by Oscar Ercilla).
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Captions
Stromatolitic formations in a lagoon situated in the south-east of the Agua Amarga Salar (Atacama Region, Chile).