Monte Viso is a portion of the ligurian oceanic crust subducted at more than 2 GPa. At the bottom of the mountain, blue pillows lavas are
undeformed.The blue color is due to fine needles of glaucophane. PhotoID307
Monte Viso is a portion of the ligurian oceanic crust subducted at more than 2 GPa. At the bottom of the mountain, blue pillows lavas are
undeformed.The blue color is due to fine needles of glaucophane. PhotoID307
Photograph: c.nicollet
Reference: http://christian.nicollet.free.fr/page/Alpes/Viso/viso.html