Figure F58. A. Sample 176-735B-92R-1 (Piece 3A, 12-15 cm): amphibole vein cutting and offsetting foliation in an amphibole gneiss. B. Sample 176-735B-132R-1 (Piece 11A, 66-68 cm): smectite vein cutting plagioclase. Note platy structure of smectite and orientation of plates normal to the vein wall. Scale bars = 0.5 mm.