Remarkable Rocks, Kangaroo Island, Australia

Numéro d’image : 13258013
Remarkable Rocks, Kangaroo Island, Australia
Eroded granite at the Remarkable Rocks formation, on Kangaroo Island, Australia. This is an example of tafoni (or cavernous) erosion, which takes place at coastlines with high temperature and humidity differences and a high salt content in the air. It is a combination of physical and chemical weathering processes, and starts when water brings dissolved minerals to the rock surface. When the water dries, the minerals form crystals that force small particles to flake off the rock. Eventually, large cavities form that have a cavernous and honeycombed shape because the surface layer of rock is harder than the interior.
Licence : Droits gérés
Crédit: Science Photo Library / Marazzi, Dr. P.
Taille de l’image : 6048 px × 4024 px
Model Release : Non requis
Property Release : Non requis
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