Plate P4. Photomicrographs illustrating volcanic and plutonic lithic fragments within the sands and sandstones of Woodlark rift. 1. A lathwork volcanic lithic fragment with intersertal glass and intergranular clinopyroxene within a calcite-cemented coarse-grained lithic sandstone (Sample 180-1108 3R-CC, 0-4 cm [14.50 mbsf]) (cross-polarized light).