Figure F41. Photomicrograph showing a rare carbonate vein crosscuts the earlier serpentine veins (Sample 209-1270C-1R-1, 83–85 cm) (cross-polarized light: blue + light gray filters; field of view = 1.4 mm; image 1270C

Figure F41. Photomicrograph showing a rare carbonate vein crosscuts the earlier serpentine veins (Sample 209-1270C-1R-1, 83–85 cm) (cross-polarized light: blue + light gray filters; field of view = 1.4 mm; image 1270C_006).