Amphibolite
Leckbachscharte, Hollersbach im Pinzgau, Zell am See District, Salzburg, Austria
Strongly foliated, fine-grained amphibolite showing lens-shaped amphibole porphyroblasts, formed during upper greenschist facies Alpidian Metamorphism. Black, elongated lenses consist of titanite. Thin section, transmitted plane polarized light digital image, with crossed polarizers, width 2 mm.
G. Grundmann collection and photo.
© Günter Grundmann, Detmold.