A view of the quarryAbout 200 million years ago the region where today is located the beautiful fishing village of Sesimbra was invaded by sea arms originating large lagoons. The rapid evaporation of the water in this hot and dry environment has led to the accumulation of salts in the bottom of these lagoons; in this case the salt was gypsum.Gesseira de Santanais the unique occurrence in the municipality of Sesimbra representative of this remote ..

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