Alteration and differential erosion, Spain3D ModelNoAI
Alteration and differential erosion, Spain
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More model informationAdvanced argillic alteration of a dacitic ignimbrite (Cinto Ignimbrite), Playazo de Rodalquilar, Cabo de Gata Natural Park, southern Spain. The concentric pattern is due to changes in hardness depending on the main alteration minerals, which control erodibility, not to any pre-existing structure. It is an extreme form of “Liesegang rings”. The longest dimension of this “onion” is about 30 cm.
Lat 36˚51‘24.93’‘N, Lon 2˚00‘53.28’‘W, elevation 16 m
CC Attribution-NonCommercialCreative Commons Attribution-NonCommercial
Apr 9th 2020
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