Figure F17. Photomicrographs showing titanomagnetite morphologies. A. Alteration of titanomagnetite to maghemite along cleavage planes and around rims in the weathered flow top of Unit 10 (Sample 197-1205A-24R-2 [Piece 19, 124-130 cm]) (reflected light; f

Figure F17. Photomicrographs showing titanomagnetite morphologies. E, F. Typical titanomagnetite morphologies in the alkali basalt (reflected light; field of view = 1.25 mm) (E) Unit 20 (Sample 197-1205A-44R-1 [Piece 5A, 87-88 cm]) (photomicrograph 1205A-284); (F) Subunit 19b (Sample 197-1205A-35R-4 [Piece 1C, 77-79 cm]) (photomicrograph 1205A-281).