Biosphoto : Agence Photographique spécialisée dans la Nature et l'Environnement

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Granite arch of Port Blanc, emblem of the Côte Sauvage de Quiberon, Hercynian granite eroded by the sea, Brittany, France

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Granite arch of Port Blanc, emblem of the Côte Sauvage de Quiberon, Hercynian granite eroded by the sea, Brittany, France

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Complex of saxicolous lichens on quartzites in Savoy. Lecidea fuscoatra var. grisella ? (brown crustacean) + Rhizocarpon geographicum (yellow

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Complex of saxicolous lichens on quartzites in Savoy. Lecidea fuscoatra var. grisella ? (brown crustacean) + Rhizocarpon geographicum (yellow crustacean) etc. Grande Sassière Nature Reserve, Savoie, France

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Complex of saxicolous lichens on quartzites in Savoy. Brodoa atrofusca (gray foliaceous) + Rhizocarpon geographicum (yellow crustacean) Lecidea spp.,

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Complex of saxicolous lichens on quartzites in Savoy. Brodoa atrofusca (gray foliaceous) + Rhizocarpon geographicum (yellow crustacean) Lecidea spp., Aspicilia spp. etc. - Grande Sassière Nature Reserve, Savoie, France

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Playa de Gueirua on the Asturias coast in Spain. Low tide reveals

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Playa de Gueirua on the Asturias coast in Spain. Low tide reveals the remarkable polychrome strata of quartzite, sandstone and shale, deformed by tectonics and dating from the Paleozoic (Cambrian/Ordovician) - Asturias - Spain

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Playa de Gueirua on the Asturias coast in Spain. Low tide reveals

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Playa de Gueirua on the Asturias coast in Spain. Low tide reveals the remarkable polychrome strata of quartzite, sandstone and shale, deformed by tectonics and dating from the Paleozoic (Cambrian/Ordovician) - Asturias - Spain

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Plolychrome strata from the Baya del Silencio in Spain (Asturias). Spectacular straightened quartzite, sandstone and shale strata, deformed and bent

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Plolychrome strata from the Baya del Silencio in Spain (Asturias). Spectacular straightened quartzite, sandstone and shale strata, deformed and bent by tectonics, dating from the Paleozoic (Cambrian/Ordovician) - Baya del Silencio, Asturias, Spain

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Arches and goats near Playa del Silencio on the coast. Asturias -

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Arches and goats near Playa del Silencio on the coast. Asturias - Spain

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The famous Playa del Silencio on the Asturias coast in Spain. Famous bay on the Asturias coast, with remarkable geology - Spain

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The famous Playa del Silencio on the Asturias coast in Spain. Famous bay on the Asturias coast, with remarkable geology - Spain

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Plolychrome strata of the Baya del Silencio in Spain (Asturias). Spectacular straightened quartzite, sandstone and shale strata, deformed and bent by

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Plolychrome strata of the Baya del Silencio in Spain (Asturias). Spectacular straightened quartzite, sandstone and shale strata, deformed and bent by tectonics, dating from the Paleozoic (Cambrian/Ordovician) - Baya del Silencio, Asturias, Spain

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Plolychrome strata at Playa del Silencio, Spain (Asturias).

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Plolychrome strata at Playa del Silencio, Spain (Asturias). Remarkable tectonically straightened quartzite, sandstone and shale strata from the Paleozoic (Cambrian/Ordovician) - Baya del Silencio, Asturias, Spain

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Graphics on rocks at low tide. Geological strata and shells form natural tableaux at low tide - Playa del Silencio on the Asturias coast in Spain

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Graphics on rocks at low tide. Geological strata and shells form natural tableaux at low tide - Playa del Silencio on the Asturias coast in Spain

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The famous Playa del Silencio on Spain's Asturias coast. Low tide reveals the remarkable polychrome strata of quartzite, sandstone and shale,

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The famous Playa del Silencio on Spain's Asturias coast. Low tide reveals the remarkable polychrome strata of quartzite, sandstone and shale, deformed by tectonics and dating from the Paleozoic (Cambrian/Ordovician) - Asturias - Spain

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The famous Playa del Silencio on Spain's Asturias coast. Low tide

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The famous Playa del Silencio on Spain's Asturias coast. Low tide reveals the remarkable polychrome strata of quartzite, sandstone and shale, deformed by tectonics and dating from the Paleozoic (Cambrian/Ordovician) - Asturias - Spain

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The famous Playa del Silencio on Spain's Asturias coast. Low tide reveals the remarkable polychrome strata of quartzite, sandstone and shale,

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The famous Playa del Silencio on Spain's Asturias coast. Low tide reveals the remarkable polychrome strata of quartzite, sandstone and shale, deformed by tectonics and dating from the Paleozoic (Cambrian/Ordovician) - Asturias - Spain

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The famous Playa del Silencio on Spain's Asturias coast. Low tide

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The famous Playa del Silencio on Spain's Asturias coast. Low tide reveals the remarkable polychrome strata of quartzite, sandstone and shale, deformed by tectonics and dating from the Paleozoic (Cambrian/Ordovician) - Asturias - Spain

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The beach at Nonza, with the infamous Canari abandoned factory at the end of the beach on the right, an ecological disaster, Corsica, France

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The beach at Nonza, with the infamous Canari abandoned factory at the end of the beach on the right, an ecological disaster, Corsica, France

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Mine de Canari, carrière mine abandonnée d'amiante (serpentine) exploitée de 1948 à 1965. La carrière compte 14 niveaux, elle est aujourd'hui

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Mine de Canari, carrière mine abandonnée d'amiante (serpentine) exploitée de 1948 à 1965. La carrière compte 14 niveaux, elle est aujourd'hui continuellement remplie de déchets, elle est située au sud du Monte Cuccora, Marine d'Albo, Corse, France

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Church of San Michele de Murato, dating from the mid-15th century, probably around 1140, it was consecrated around 1280. It was built when Corsica

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Church of San Michele de Murato, dating from the mid-15th century, probably around 1140, it was consecrated around 1280. It was built when Corsica was under the imperium of Pisa. Corsica, France

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Talc quarry at Trimouns, Ariège. One of the largest talc-chlorite quarries in the world, with nearly 400,000 tonnes of ore extracted every year -

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Talc quarry at Trimouns, Ariège. One of the largest talc-chlorite quarries in the world, with nearly 400,000 tonnes of ore extracted every year - around 10% of the world's production - for use in a variety of industrial sectors (paper, paint, plastics, rubber, ceramics, cosmetics, etc.). A herd of Pottok horses regularly takes up residence among the construction machinery.

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Micaschists on the banks of the Gardon de Sainte Croix. Very

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Micaschists on the banks of the Gardon de Sainte Croix. Very ancient Cambrian/Ordovician micaschists deformed by Hercynian tectonics - Le Martinet - St Etienne Vallée Française - Cévennes - France

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Waterfall and micaschists on the banks of the Gardon de Sainte Croix. Very ancient Cambrian/Ordovician micaschists deformed by Hercynian tectonics -

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Waterfall and micaschists on the banks of the Gardon de Sainte Croix. Very ancient Cambrian/Ordovician micaschists deformed by Hercynian tectonics - Le Martinet - St Etienne Vallée Française - Cévennes - France

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Waterfall and micaschists on the banks of the Gardon de Sainte

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Waterfall and micaschists on the banks of the Gardon de Sainte Croix. Very ancient Cambrian/Ordovician micaschists deformed by Hercynian tectonics - Le Martinet - St Etienne Vallée Française - Cévennes - France

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Serpentinite at Cap Corse. This rock forms at oceanic ridges where magma is altered by hydrothermal fluids. This alteration, which takes the form of

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Serpentinite at Cap Corse. This rock forms at oceanic ridges where magma is altered by hydrothermal fluids. This alteration, which takes the form of veinlets on the rock, corresponds to the serpentinization of mantle peridotites by hydration (transformation of the minerals olivine and pyroxene into serpentine by reaction with these fluids). Serpentinites are particularly common in ophiolites, as seen here on Cap Corse.

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Serpentinite outcrop at Cap Corse. This rock forms at oceanic ridges, where magma is altered by hydrothermal fluids. This alteration, which takes the

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Serpentinite outcrop at Cap Corse. This rock forms at oceanic ridges, where magma is altered by hydrothermal fluids. This alteration, which takes the form of veinlets on the rock, corresponds to the serpentinization of mantle peridotites by hydration (transformation of the minerals olivine and pyroxene into serpentine by reaction with these fluids). Serpentinites outcrop in ophiolites, as seen here at Cap Corse. (seafloor obduction)

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Veins in the Spano granitoids. Dark dolerite and light

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Veins in the Spano granitoids. Dark dolerite and light microgranite, Punta Spano, Golfe de Calvi, Haute Corse, Corsica

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The Pointe de Campomoro in a strong westerly wind (U Libeccio).

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The Pointe de Campomoro in a strong westerly wind (U Libeccio). Leucocratic granites and veins of softer diorite, hollowed out by taffonis and sculpted by marine erosion - Pointe de Campomoro - Gulf of Valinco - South Corsica

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The Pointe de Campomoro in a strong westerly wind (U Libeccio). Leucocratic granites and veins of softer diorite, hollowed out by taffonis and

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The Pointe de Campomoro in a strong westerly wind (U Libeccio). Leucocratic granites and veins of softer diorite, hollowed out by taffonis and sculpted by marine erosion - Pointe de Campomoro - Gulf of Valinco - South Corsica

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The Pointe de Campomoro in a strong westerly wind (U Libeccio). Leucocratic granites and veins of softer diorite, hollowed out by taffonis and

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The Pointe de Campomoro in a strong westerly wind (U Libeccio). Leucocratic granites and veins of softer diorite, hollowed out by taffonis and sculpted by marine erosion - Pointe de Campomoro - Gulf of Valinco - South Corsica

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Leucocratic granites sculpted by marine erosion in southern