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Castanheira Field of Folds (Geosite), Arouca

This geosite comprises an area that presents diverse outcroppings of intensely folded Ante-Ordovician metasediments. These are mica schists that present abundant inter-layers of metagraywackes and veins of quartz which highlight the numerous folds which occur here in diverse scales due to the different phases of deformation of the Hercynian Orogeny.

CHARACTERISTICS

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SUGGESTIONS OF THE ROUTE- OTHER NEARBY PLACES TO VISIT