Schist strongly eroded to sharp blades by water and the stones it carries. Pulo do Lobo, Guadiana river valley Natural park, Alentejo, Portugal.

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Size: 3696px × 2448px
Location: Mértola, Portugal
Photo credit: © Armando Frazão / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: alentejo, blades, eroded, geologic, geology, guadiana, metamorphic, natural, nature, park, photography, portugal, river, rock, rocks, schist, shale