Figure F5. Photomicrograph showing amphibole-bearing ultramafic vein or dike crosscutting Unit III harzburgite (Sample 209-1270A-4R-1, 54–56 cm) (cross-polarized light: blue filter; field of view = 5.5 mm; image 1270A

Figure F5. Photomicrograph showing amphibole-bearing ultramafic vein or dike crosscutting Unit III harzburgite (Sample 209-1270A-4R-1, 54–56 cm) (cross-polarized light: blue filter; field of view = 5.5 mm; image 1270A_003).