Plate P3. Photomicrographs illustrating metamorphic and serpentinite lithic fragments and mineral grains present within the sands and sandstones of Woodlark rift. 3. Metamorphosed volcanic fragments with veins of epidote and chlorite in a feldspathic groundmass. Surrounding detrital grains include feldspar, biotite, prehnite, and magnetite. (Sample 180-1116A-6R-1, 9-11 cm [42.49 mbsf]) (cross-polarized light).