Porphyroblastic staurolite-andalusite-garnet-biotite-plagioclase-cordierite schist
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.
Western Minerals, Inc.
Number of Thin Sections