Syncline in 3D

Have you seen a syncline in 3D? Here is a picture I took couple of months ago in the Spanish Pyrenees. It was an exhausting hike. About 20 km horizontally and 1 km vertically but I really enjoyed it.

An explanation for those of you who do not feel very comfortable in the company of awkward speaking geologists: A syncline is a U-shaped fold. It is a common rock formation in mountainous areas. This particular syncline is interesting because one can see it from different directions. In most cases only two dimensions are visible.

This syncline is largely made of conglomerate I wrote about in this post: Conglomerate – rock of rocks.

Syncline in the Spanish Pyrenees
Castillo D’Acher – a syncline in the Spanish Pyrenees.


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