860-292276 - The Petrified Forest National Park is home to thousands of fossilized tree trunks approximately 200 million years old (Triassic period). Arizona. USA.
860-290212 - Les Terres Noires de Robine sur Galabre under the snow. Jurassic (Toarcian) marls rich in organic matter, tender and very sensitive to gullying, colonized mainly by Scots pines and forming remarkable reliefs in the Digne Geological Reserve, Alpes de Haute Provence, France.
860-290211 - Les Terres Noires de Robine sur Galabre under the snow. Jurassic (Toarcian) marls rich in organic matter, tender and very sensitive to gullying, colonized mainly by Scots pines and forming remarkable reliefs in the Digne Geological Reserve, Alpes de Haute Provence, France.
860-290213 - Les Terres Noires de Robine sur Galabre under the snow. Jurassic (Toarcian) marls rich in organic matter, tender and very sensitive to gullying, colonized mainly by Scots pines and forming remarkable reliefs in the Digne Geological Reserve, Alpes de Haute Provence, France.
860-288157 - Cliff with remarkable stratifications, folded layers of marls and limestones of the Lower Jurassic, above Bassey near Bourg d'Oisan, Ecrins NP, Alps, France
860-288156 - Cliff with remarkable stratifications, folded layers of marls and limestones of the Lower Jurassic, above Bassey near Bourg d'Oisan, Ecrins NP, Alps, France