Figure F41. Close-up photograph of slightly altered Fe-Ti gabbronorite (Sample 176-735B-114R-2 [Piece 3C, 60-70 cm]; 655 mbsf) showing dark amphibole needles on the back side of the core. Note the dark gray alteration halos around grains (medium gray) of olivine (chlorite-smectite and minor amphibole) and pyroxene (mainly amphibole). Primary plagioclase is light gray and secondary plagioclase is white.