Plate P5. Photomicrographs illustrating volcanic lithic fragments present within the sands and sandstones of Woodlark rift. 1. Colorless vitric volcanic lithic fragments (in places chloritized) and a slightly deformed detrital biotite grain. Authigenic pyrite grains are also present (Sample 180-1118A-68R-3, 102-105 cm [853.08 mbsf]) (plane-polarized light).