Plate P2. Photomicrographs illustrating mineral grains present within the sands and sandstones of Woodlark rift. 3. Detrital grain of glomeroporhyritic clinopyroxene within a calcite-cemented lithic sandstone. Detrital plagioclase and foraminifer are also present (Sample 180-1118A-66R3, 31-34 cm [833.05 mbsf]) (cross-polarized light).