Figure F31. Photomicrograph showing the image of two pyroxenes in thin section of the gabbro in the lower portion of Hole 1268A. Brown, low-relief pyroxene on the left is completely pseudomorphed by talc and may have been orthopyroxene. Pale green, high-relief pyroxene on the right is largely fresh clinopyroxene. In between the two pyroxene crystals is plagioclase that reacted with the pyroxenes to form chlorite (green, surrounding the plagioclase) (Sample 209-1268A-28R-2, 26–28 cm) (plane-polarized light: blue + gray filters; field of view = 2.75 mm; image 1268A

Figure F31. Photomicrograph showing the image of two pyroxenes in thin section of the gabbro in the lower portion of Hole 1268A. Brown, low-relief pyroxene on the left is completely pseudomorphed by talc and may have been orthopyroxene. Pale green, high-relief pyroxene on the right is largely fresh clinopyroxene. In between the two pyroxene crystals is plagioclase that reacted with the pyroxenes to form chlorite (green, surrounding the plagioclase) (Sample 209-1268A-28R-2, 26–28 cm) (plane-polarized light: blue + gray filters; field of view = 2.75 mm; image 1268A_043).