Macroscopic: Porphyroblastic staurolite, andalusite, cordierite, garnet, biotite, chlorite, muscovite schist. Cross bedding or graded bedding may be apparent in some samples. Mineral zone: staurolite-andalusite. Microscopic: Large garnet phenocrysts within a very fine grained matrix containing biotite. Thin section pictures in XPL unless otherwise noted in the title of the picuture. Thin sections are 3mm across.
Number of Thin Sections