Plate P7. Vitrinite, pyrite, and oil inclusions. 2. T5863; Hole 1118A; 744.27 mbsf. Telovitrinite with fluorescing cell walls and abundant layers of pyrite. The pyrite appears dark in fluorescence mode, and the small fluorescing areas within the pyrite lenses may represent remnant plant structures that have been largely replaced by pyrite (reflected light; field width = 0.22 mm; mean vitrinite reflectance = 0.36%).