Isoclinal fold in the LAC

Folds

In the leptyno-amphibolitic complex (LAC) which represents portions of metamorphised hercynian oceanic crust, the two main lithologies, amphibolites and leptynites are interlayed at all scales, from cm to hectometer.
PhotoID291

Photograph: ch.nicollet

Reference: http://christian.nicollet.free.fr/page/enseignement/HautAllier/HA.html