Plate P3. Photomicrographs illustrating metamorphic and serpentinite lithic fragments and mineral grains present within the sands and sandstones of Woodlark rift. 6. Detrital actinolite grain (center) and muscovite lath (center left). Surrounding detrital grains include amphibole, clinopyroxene, feldspar, and biotite. Felsitic, brown vitric, colorless vitric, and microlitic volcanic lithic fragments are also present (Sample 180-1108B-34R-2, 126-128 cm [314.60 mbsf]) (cross-polarized light).