Macroscopic: Biotite, muscovite schist. The biotite has begun retrograding to chlorite. There is a mineral zone consisting of garnets present in the handsample. Microscopic: Abundant foliated biotite/sericite and quartz. Large amphibole phenocrysts present. Thin section pictures in XPL unless otherwise noted in the title of the picuture. Thin sections are 3mm across.
Number of Thin Sections