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Basalt Flows, Imnaha, Oregon

Columnar basalt formation near Imnaha, Oregon. Basalt is an extrusive igneous rock, which means it forms from the cooling of lava on the surface. Contraction of the lava as it cools leads to the geometry of the columns, which have either hexagonal or pentagonal cross-sections.
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Titre:
Basalt Flows, Imnaha, Oregon
Légende: Voir la traduction automatique
Columnar basalt formation near Imnaha, Oregon. Basalt is an extrusive igneous rock, which means it forms from the cooling of lava on the surface. Contraction of the lava as it cools leads to the geometry of the columns, which have either hexagonal or pentagonal cross-sections.
Crédit:
Album / Science Source / William H. Mullins
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Modèle: Non - Propriété: Non
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Taille de l'image:
5360 x 3560 px | 54.6 MB
Taille d'impression:
45.4 x 30.1 cm | 17.9 x 11.9 in (300 dpi)
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