Figure F24. Cryptic mineral variation showing average compositions in Hole 1105A revealed by cumulus olivine, plagioclase, augite, and orthopyroxene. Iron in olivine and augite has been calculated as total Fe2+. An = anorthite. Mg# = Mg/(Mg + Fetotal).

Figure F24. Cryptic mineral variation showing average compositions in Hole 1105A revealed by cumulus olivine, plagioclase, augite, and orthopyroxene. Iron in olivine and augite has been calculated as total Fe²⁺. An = anorthite. Mg# = Mg/(Mg + Fe^total).