This gabbro of the Ligurian ophiolite of the Chenaillet is deformed and metamorphosed during cooling of the oceanic crust. The black corona around clinopyroxene (grey) consists of amphibole (from hornblende to actinolite).
PhotoID289
This gabbro of the Ligurian ophiolite of the Chenaillet is deformed and metamorphosed during cooling of the oceanic crust. The black corona around clinopyroxene (grey) consists of amphibole (from hornblende to actinolite).
PhotoID289
Photograph: ch.nicollet
Reference: http://christian.nicollet.free.fr/page/Alpes/chenaillet/MetamRide/metamride.html