Plate 3. Selected key textural relationships in the pelitic and migmatite gneiss. 1. Foliation defined by intensely oriented harmonious fibrolite (S) with augen of magnetite (black) and aggregates of quartz (Q) and K-feldspar (K). Sample 161-976B-95R-2, 2

Plate 3. Selected key textural relationships in the pelitic and migmatite gneiss. 4. Subidiomorphic garnet porphyroblast (garnet II) surrounded by magnetite (Mg) and biotite (b), which is partially transformed to muscovite (m). Sample 161-976B-98R-1, 96-101 cm. Plane-polarized light. Scale bar is 200 µm.