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Goblin Valley State Park, Utah, USA | Goblin Valley State Park - Utah, USA (IMG_6255.jpg)

Goblin Valley State Park, Utah, USA

Joint or fracture patterns within the Entrada’s sandstone beds create initial zones of weakness. The unweathered joints intersect to form sharp edges and corners with greater surface-area-to-volume ratios than the faces. As a result, the edges weather more quickly, producing spherical-shaped goblins.
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