Figure F13. Photomicrograph showing apatite needles in quartz and plagioclase adjacent to a pore space (Sample 209-1272A-4R-1, 87–90 cm) (plane-polarized light: blue + dark gray filter; field of view = 1.4 mm; image 1272A

Figure F13. Photomicrograph showing apatite needles in quartz and plagioclase adjacent to a pore space (Sample 209-1272A-4R-1, 87–90 cm) (plane-polarized light: blue + dark gray filter; field of view = 1.4 mm; image 1272A_003).