1. GL4 E1 KI 3c
Textural changes:
FOLIATED AND NON-FOLIATED
See KI 3 b

2. Textural changes From random orientation to alignment
Recrystallisation

3. MYLONITE
Foliated
Shearing and dislocation processes powder the rock and align it to the movement directions
Often forms slickensides

4. MYLONITE Folded mylonite Credit: British Geological Survey
Photomicrograph of mylonite (XPL)
Credit: British Geological Survey

5. MIGMATITE Very coarse gneiss Look similar to granite
Bands of quartz-feldspar granitic material and mafic material (biotite and hornblende)
Highest metamorphic grades
Partial melting
Plastic stage  flow folds (ptygmatic folds)