Portugal, Madeira, Porto Santo Island, Pico Ana Ferreira, volcanic, basalt, volcanoclastic, columnar structure, prisms,

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the mountain, Pico Ana Ferreira on the Island of Porto Santo in the Madeira Islands is an excellent example of polygonal basalt columnar formations. Long used as a source of rock for the building of stone walls, its striking writhing foramtion makes it a popular site for scientists and tourist alike.

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Size: 5265px × 3510px
Location: Unnamed Road, 9400 Porto Santo, Portugal
Photo credit: © Stillman Rogers / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ana, atlantic, basalt, causeway, chimney, columnar, conduct, cooled, differential, disjunction, dramatic, earth, elongated, erosion, ferreira, formations, geomorphology, giants, host, hyaloclastites, island, islands, jointed, lava, lavaflow, madeira, massive, middle, miocene, mountain, mountaintop, mugearitic, natural, phase, pico, porto, portugal, prismatic, prisms, quintagonal, rock, rocks, santo, science, seamount, sight, sightseeing, structure, subaerial, submarine, tourism, unit, upthrust, volcanic, volcanoclastic, volcanology