Figure F27. Photomicrographs of skeletal octahedral titanomagnetite morphologies (reflected light; field of view = 0.625 mm). A. Ilmenite oxidation lamellae developed in the larger crystals in Unit 5 (Sample 197-1206A-15R-1 [Piece 7A, 72-74 cm]) (photomicrograph 1206A-324). B. Unit 21 (Sample 197-1206A-42R-2 [Piece 4, 76-78 cm]) (photomicrograph 1206A-383).